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Posts about Security

Public Spaces


A closed street can be a living street

On sunny days, Lafayette Square is filled with people. Tourists snap pictures of the White House behind them. Bicyclists and pedestrians enjoy a space where they, not cars, have the right of way.


Photo by JoshBerglund19 on Flickr.

Although two-block stretch of Pennsylvania Avenue was closed for security reasons, it has become similar to what the Dutch call a woonerf (plural woonerven, which translates roughly to "living street."

A woonerf is a low-speed street where pedestrians and cyclists have legal priority over drivers. In practice, cars, bikes, and people on foot mix freely. Unlike a standard woonerf, Pennsylvania Avenue doesn't regular drivers, but it has taken on many of the elements of the woonerf. Security needs can also close them at a moment's notice. Therefore, I like to call this a "security woonerf."

Since the mid-1990s, cordoned-off areas have popped up throughout the city. Yet, few of them could be called security woonerven. Could this change?

The two most prominent security woonerven in DC are on the east side of the US Capitol and on Pennsylvania Avenue in front of the White House. In these areas, activity takes place mainly on foot or on a bike.

Although security vehicles operate in those areas, they're parked most of the time, so pedestrians and cyclists essentially have the run these spaces. These two locations are obviously popular with residents and visitors alike. Both are now important hubs in DC's expanding bicycle network and as important activity centers for all manner of activity: tourism, lunch breaks, leisurely strolls, running, you name it.

Following the tragedy at Oklahoma City in 1995, federal planners redesigned facilities to minimize risks to important buildings from motor vehicles. All across the city, barriers went up, starting with jersey barriers, giant planters, and police roadblocks.

Over time, these evolved into permanent hardened perimeters with bollards, sally ports, guard gates, and delta barriers. As much as possible, these elements were planned with an eye toward improving aesthetics, or at least in comparison to original concrete jersey barriers.

While the two security woonerven at the White House and the Capitol are great assets to the city, other cordoned-off areas are not.

The security professionals who planned these facilities gave little consideration to bicycle and pedestrian access. The spaces are attractive for walkers and bikers by default, because of their lack of traffic. However, it often isn't easy to travel into or through the perimeter of these areas.

Another security woonerf is in the works for E Street, south of the White House. As many commenters noted during the design competition, though, cyclists appeared to be an afterthought in most of the submitted proposals.

Often, small tweaks could really improve access into these potentially great spaces. Even Lafayette Square has access issues on the north side at the Madison Place sally-port.

The State Department closed C Street NW and segments of other roads next to their Foggy Bottom headquarters, but they have not replaced the jersey barriers and planters with bollards and other elements more hospitable to bicycle and pedestrian traffic. The House and Senate office buildings have several cordoned streets around them that only admit authorized cars, but the access points are difficult to get through by bike.

Although Union Station has closed off driving access through Columbus Circle for security, the space was subsequently devoted to passenger pick-up and drop-off, making this potential security woonerf very difficult for pedestrians and cyclists. Thankfully, work already underway on the Circle will improve upon current conditions.

Beyond these spaces, there are a number of closed campuses in DC which would greatly benefit from adopting some of the more successful security woonerven designs. Specifically, I'd love to see security woonerven at the Old Soldier's Home, the future Walter Reed development (both the DC and State Department portions), and the Washington Hospital Center.

Areas around the Pentagon, and Joint Base Bolling also have potential if security priorities are better balanced with pedestrian and bike permeability. Universities like Catholic, Georgetown, and Howard you can get through, but it's not obvious or direct. Even at the Arboretum and the Navy Yard, where trails and woonerven already exist, extended hours would vastly improve these spaces.

Regardless of why and how we established these areas, federal and local planners need to recognize their success, and understand their best elements. Then they can adopt those elements into sites that have potential, but aren't quite security woonerven yet.

Are there other places we could have a great security woonerf? Also, can you think of a better term? Whatever you you call them, if streets have to close for security, we would all benefit from making more of them living streets.

Architecture


Can federal offices change neighborhoods for the better?

Do federal office buildings make their surrounding communities better or worse? Last night, 3 local planning directors discussed how federal buildings can make local areas more lively places to work and live, but how some have had the opposite effect.


Patent and Trademark Office and plaza in Alexandria. Photo by M.V. Jantzen on Flickr.

The Washington region is unique in the number of federal jobs concentrated in large agencies. These large offices have the power to bring new life into neighborhoods and generate new urban growth around existing transit options. But security concerns can derail their positive effects on neighborhoods.

The key to success for these projects is adaptability. "There's no formula. Each project is unique," said Faroll Hamer, Director of Planning and Zoning for the City of Alexandria, at the panel, sponsored by the National Capital Planning Commission.

"The first iteration is almost always horrible," said Harriet Tregoning, DC's planning director. Tregoning argued that communities need to be constantly vigilant and to push back through review and input.

An example of a federal building with negative impact is the FBI Building in downtown Washington. When asked if they thought it was "the worst building in DC," a significant portion of the audience raised their hands. Foreboding and removed from the street, this building serves as an example of what not to do.

On the other hand, the sheer number of workers a new federal office brings into an area can activate the neighborhood. This activity can spur more growth and create new urban fabric where there previously was none. They can give birth to entirely new neighborhoods, or revive ones long since written off.

Qualities of many federal facilities pose problems

Federal office buildings are inherently single-use. Office workers do little for neighborhoods after business hours. This can be especially damaging when agencies cluster, creating large single-use neighborhoods. By spreading offices throughout the region, federal projects can invigorate many different neighborhoods instead of negatively affecting just a handful.

Federal buildings farther from transit often use shuttle buses. These could also provide a desirable transit option for neighborhood residents, but security rules often bar them from riding. This has been part of the conversation around the Department of Homeland Security's new offices at the former St. Elizabeth's hospital site between Anacostia and Congress Heights.

Individual buildings can do a lot to help or hurt their neighborhood. The parking garage for the Patent and Trademark Office (PTO) in Alexandria is lined with townhouses on two sides, but other sides are just screened and set back from the street with landscaping, creating a dead streetscape. Many projects fall into this same pattern, with a mix of successful and unsuccessful components.


The GSA plans street-level retail in its building thanks to an innovative approach to security. Image from NCPC.

Security drives many design decisions and harms communities

The General Services Administration (GSA) is working to reverse damage to the streetscape from its massive headquarters in Foggy Bottom. The building is currently entirely disconnected from the street, but GSA plans to bring retail back to the building's street frontage.

To do this, they had to get creative with a factor that hampers the design of many federal projects, security. Security drives a lot of design decisions for federal projects.


USDOT. Photo by NCinDC on Flickr.
For example, the US Department of Transportation's building in the District's Navy Yard neighborhood takes up two entire city blocks, but has only one retail space along its entire façade, a Starbucks. It brings many workers to the area, but does little for the street.

In urban conditions, security hurts the streetscape by restricting building access from the street and for­bidding retail from lining the outside of buildings. In more suburban conditions it creates large campuses, cut off from what little grid there is and keeping workers from being able to activate the area around them. These large campuses also restrict the ability for planners to attempt to reconnect neighborhoods.

By adapting, many agencies are tackling these issues. The GSA's headquarters was formerly a Level 5 security building. In its renovation, they created a graduated security system, where not all areas of the buildings require the maximum security. As a result, almost all the security bollards around the building could be removed, a marked improvement to pedestrian conditions.

The lower level of security makes street level retail a possibility, and the GSA is looking into opening the building's cafeteria to the public, allowing the agency to share this amenity with their neighborhood.

Sustainability goes beyond LEED

Federal buildings built today have more environmentally-friendly design features. This demonstrates leadership and forward thinking from GSA and the agencies, but Rollin Stanley, Director of Planning for Montgomery County, was careful to remind the audience that the greenest building is the one that already exists, and urged federal designers not get too caught up in LEED.

A LEED Platinum building with no transit options but hundreds of free parking spaces will do more harm to the environment that a building built to lower environmental standards. There are many different factors to take into account to judge a building's true impact on the environment.

Many federal buildings, like many private buildings, are building more parking spots than they need to. Federal agencies are often surprised by how many workers will choose to commute in ways besides driving. At the Mark Center in Alexandria, offices for the Department of Defense were expected to produce massive gridlock. Instead, 50% of workers utilize transit to get to the site.

Little touches can do a lot


PTO. Photo by Janellie on Flickr.
With creative designs, federal buildings can often make the most out of restrictions out of their control. The PTO's work in Alexandria requires constant delivery of packages between offices, so the hallways were placed facing the street. This allowed workers to make deliveries by daylight and activate the streetscape. The building could not have retail, but the PTO activated the street in a unique way.

Small-scale gestures have very positive effects on the areas around government offices. The PTO provides Wi-Fi in a small park adjacent to the offices and installed glass columns that light at night. Despite larger urban design failings, small gestures like these can make a big difference in neighborhoods.

Federal projects have their own strengths and weaknesses, but each gains from the collective knowledge of the projects that have come before. Agencies are generally moving towards better designed buildings, closer to transit, that give workers more flexibility. We will surely witness missteps along the way, but the trajectory for these buildings and the positive change they can bring to the areas is promising.

Public Spaces


Security experts, like the public, disagree on security

At last night's NCPC panel, "Redefining Security a Decade After 9/11," we were reminded that on security, Americans are a "cantan­kerous bunch." According to Brian Jenkins of RAND Corporation, US residents demand to feel 100% safe at all times at no cost to their way of life.


Photo by Mr. T in DC on Flickr.

Jenkins, joined by architect Thomas Vonier and landscape architect Alan Ward, addressed this dilemma and others in a discussion on balancing physical security needs with good urban design. When it came to how much security is appropriate, though, the panelists diverged in their recommendations.

Vonier's talk seemed to encourage a "whatever it takes" mentality on introducing both visible and concealed security measures into the urban space. He embraced the use of "choke points," or highly supervised, securitized points that all people entering a site must pass through. Vonier lauded Lafayette Square as a successful example of an urban control zone.

In contrast to Vonier stood Ward, who turned to the Washington Monument as an ideal example of a minimalist solution to security concerns. The Monument received a security facelift in 2003 with the addition of sunken walls that naturally curve around the base of the hill on which the Monument stands, providing additional security without encroaching upon visitors' privacy.

Unlike Vonier, Ward seemed more inclined to respect historical precedents and maintain the natural order of a space to the greatest extent possible. He lamented the 18-foot descent that pedestrians endure when approaching the Capitol Visitor Center, a sensation he described as the antithesis to the entry experience one expects of such a grand building.

Jenkins and Vonier both suggested civic authorities reduce security risks from vehicles by creating pedestrian roadways with reduced or no car and truck access. London developed the "Ring of Steel" after a series of IRA attacks. This is a perimeter of Closed-captioned Television (CCTV), police, and bollards within the City of London, Greater London's financial district. According to Jenkins, as a result of the "Ring of Steel," the streets have been "pedestrianized," and commerce is thriving.

Ward, however, disagreed with adopting a similar approach. "We don't have the density of pedestrians" to eliminate cars from certain roads, he said. Ward also suggested that the economy would not support such changes in traffic patterns, which could "kill businesses."

The panelists bandied about a number of solutions to the question of how to simultaneously provide both security and amenity. Vonier referred to the classic necessity of more eyes on the street to increase vigilance against threats. He suggested that police and civic authorities encourage proprietors to take ownership of the sidewalks and streets in front of their businesses, creating a "defensible space."

During the question and answer session, Jenkins suggested that in order to make the public more accountable for security, governments must improve education and communication, helping individuals to better understand policy decisions and security protocol while empowering them to be more vigilant.

Disappointingly, some of the pricklier subjects, such as congestion pricing, closed circuit surveillance, and defense against airborne security threats were mentioned in brief but not explored much further.

Many questions still remained unanswered. How can design engage the public in the provision of their own security? At what point did Americans become passive potential victims, as many of the latest security measures suggest? Which works better: the prototypical Parisian cafe-style of surveillance, or the large setbacks and empty spaces prevalent in front of federal buildings?

Nobody seemed fully equipped to provide answers, largely because the issue frequently turns into a matter of subjective opinion, as the talks showed. At the very least, however, the panelists could all agree that many existing security features around DC, like the Jersey barriers outside of the Federal Aviation Administration's building, can and should be improved to reflect stronger urban design and a better connection to the pedestrian experience.

Sustainability


With crowdsourcing sites, agencies want your input on sustainability and security

Two local agencies have recently launched crowdsourcing websites to collect public input on important issues of the day. The DC government seeking ideas for building a more sustainable city, and NCPC wants input on security leading up to a panel discussion tonight.


Photo by haagenjerrys on Flickr.

With "Start in September," the Gray admini­stration has turned to crowdsourcing to develop a comprehensive sustainability strategy for the District. With this initiative, the Office of Planning and the Department of the Environment are able to share their own goals while drawing local residents in to the discussion.

Meanwhile, the National Capital Planning Commission has created a page to hear from residents about which security measures work well and which don't. This will help shape the discussion at tonight's panel discussion on how federal agencies can meet their security needs while also creating an attractive and usable landscape.

Crowdsourcing has evolved into one of many tools in an urban planner's toolkit to seek input on a specific issue that impacts the region. It eliminates much of the legwork associated with gathering public opinion and often reaches a much wider audience than just attending a handful of ANC meetings or holding a public forum could.

The website for "Start in September" features inviting pin-up bulletin board graphics for its visitors, who are entreated upon to describe what would create a "greener, healthier, more livable District." DC, which has already been recognized nationally for boasting the most expansive LEED green building pipeline and the highest bike share participation, could likely gain much from the ideas of its residents who have supported these efforts.

In its current form, "Start in September" resembles a much larger, similar initiative that recently took place in New York City. Prior to the Institute for Urban Design's annual Urban Design Week, the organization launched "By the City / For the City," a crowd sourced initiative to "improve the city's public spaces, systems, and social fabric."

Between June 1st and July 31st of this year, "By the City / For the City" collected more than 500 ideas on topics as wide ranging as urban community gardens to the re-use of highway underpasses and the creation of "graffiti parks" intended purely for urban artists to tag their work freely.

Perusing the list of ideas on the website feels a lot like looking at the ideal metropolis: Combine every contributor's good idea, and you've got a Sim City of sustainable, smart growth perfection.

"Start in September" hasn't yet quite picked up the momentum that the Institute of Urban Design's effort achieved by summer's end, but the District is off to a good start. Already the website has drawn 51 new suggestions, filed under the somewhat vague categories of "Define It" and "Do It," which feature ideas like creating a District Conservation Corps, making city-wide recycling bins larger while making trash cans smaller, and disconnecting all gutters from drains that lead into sewer systems.


More artistic bollards in New York. Image from A. Suisman.
Whether because the effort of posting a photograph exceeds just sharing an idea, or because of lower publicity thus far, the NCPC site has only 4 comments thus far. They criticize ugly Jersey barriers at the US Department of Transportation, and praise more artistic bollards in New York's financial district.

Online participation is just one component of public involvement, and both initiatives couple it with other more traditional ways to be involved. NCPC's panel discussion will run from 6:30-8 pm tonight at the US Department of Commerce Auditorium. Enter from 14th Street between Constitution and Pennsylvania. RSVP here.

As for DC's sustainability initiative, "Start in September" is intended to be the first stage in a months-long planning process, and is also intended to spark community discussions on the topic. The site aims to draw the crowdsourcing off of the Internet and into single member district, tenant's association, and other local meetings.

If you're planning on leading, or attending, a community meeting this month, grab a discussion guide from sustainable.dc.gov and crowd source your neighbors. You may be surprised with what you hear.

Events


Don't hear enough of me on the blog? And other events

On the off chance you haven't had enough of my opinions from reading Greater Greater Washington, tune into WAMU now listen to today's Politics Hour, or a Smithsonian seminar tomorrow morning. There are also many great events coming up around security at federal buildings, Maryland transportation, bicycling, DC historic preservation and more.


Photo by thisisbossi on Flickr.

The Politics Hour (now): From 12:30 to 1 pm, I'll be a guest on WAMU's The Politics Hour. You can listen live here, and the archived audio will be posted this afternoon has been posted; jump to the 35 minute mark for my segment.

Greening Greater Washington (Saturday): Tomorrow, the Smithsonian is running a seminar called "Greening Greater Washington," and perhaps in recognition of the name's similarity to a certain blog, I'm giving the morning keynote.

The whole day will be streamed live, and we'll have a post up Saturday morning with the video. My talk starts at 9:55 am.

Other panels will follow, with many great people including Stewart Schwartz of the Coalition for Smarter Growth, Arlington County Board Chairman Chris Zimmerman, DC and Montgomery County planning directors Harriet Tregoning and Rollin Stanley, Councilmember Tommy Wells, and Brookings scholar and author Christopher Leinberger.

Hack Day: Saturday is also the Mobility Lab's Hack Day for coders interested in working on projects that help people better understand their transportation choices or otherwise using open transit data and open geo data to make better tools.

Next week are several interesting forums that explore key issues in our region.

Redefining security (Monday): NCPC is conducting a forum on September 12 about redefining security a decade after 9/11. How can the federal government balance its security needs with the responsibility of creating useful and accessible public spaces?

The forum is 6:30-8 pm at the US Department of Commerce Auditorium, 1401 Constitution Avenue NW (enter through the main doors on 14th Street). RSVP here. And in advance of the forum, NCPC has a page where you can submit examples of great or examplary or abhorrent security facilities in the region.

Maryland transportation funding (Tuesday): This month's Action Committee for Transit meeting, on September 13, will focus on Maryland's transportation funding challenges.

WABA regional stakeholder meetings (Tuesday): WABA also kicks off a series of regional discussions with stakeholders, to set its priorities and lead up to a big November 3 summit. The first one, on September 13, is in Greenbelt, followed in successive weeks by Kensington, Shirlington, Alexandria, DC Ward 7 and Vienna.

Historic preservation plan (Tuesday): DC's historic preservation office is updating their 5-year historic preservation plan, and wants public input. You can read draft goals created by HPO and bring your input.

Park(ing) Day (Friday): Park(ing) Day started as a guerrilla street project to temporarily turn a street parking space into a little park. Efforts to legally bring it to DC encountered ridiculous bureaucracy, but this year Casey Trees is organizing their own little park at New Hampshire and Q, NW from 8 am to 5 pm on September 16.

Go car-free, try transit: The following Friday is Car-Free Day, where people pledge to go car free for the day of September 22. You can sign the pledge even if you already won't use a car that day.

In case you read this blog but haven't tried transit, the entire week is Try Transit Week with its own pledge; a lucky pledger could win a year of free transit or free trips on Amtrak.

And...: Other events next week include book talk on Brooklyn gentrification (Tuesday, $18), and a public meeting on the Virginia Avenue tunnel (Thursday).

Public Spaces


On 4th, federal officials forget bikes are transportation, too

Bicycling is sometimes a recreational activity, but for many people it's an integral means of transportation. Federal officials securing the Mall for yesterday's festivities forgot that, keeping roadways open for cars to traverse but blocking all safe routes for bikers in the area.

Reader Vicente writes:


15th Street being closed for the 4th. Photo by the author.

Most weekends I pedal my way out of the District via one of the area's many bike paths. Often this means heading south on the 15th Street-Ohio Drive-14th Street Bridge route, one of the most popular bikeways in the city. This route intersects the Mount Vernon trail, which opens destinations including the Pentagon City mall and Old Town Alexandria.

Yesterday, I decided to use this route and head for Potomac Mills Yard. This is home to the closest Old Navy, after all, and I was jonesing for some cargo shorts. I also did some grocery shopping while at the mall there. Since I always bike to Potomac Mills, I did not anticipate it being much of a problem, but once en route I quickly noticed the massive street closure and security operation that was underway.

The bike access to the 14th Street Bridge path was closed. All of the people that wanted to use this area had to wait in line and go through a security checkpoint. It did not make any sense. That small corner of road at Independence and 15th is an important access point for cyclists and pedestrians. It's not part of the Mall or the Washington Monument. Why close it? Other nearby areas, including 14th Street as it crosses the Smithsonian area, were open to bikes and pedestrians.


Security barricades at the Mall. Image adapted by the author from Google Maps.

The guards at the Bureau of Engraving sprung out of their booth when they spotted me and a fellow biker evaluating alternate routes on 14th Street. The shortcuts through their building lots had been taped off.

"Can I help you?" one of them asked.

"Can we get to the Jefferson Memorial and the bridge bike path by heading down that way?" I asked, pointing south on 14th Street towards the freeway-ish looking overpass.

"Only if you want to get hit by a car," he reassured me.

My biking comrade claimed that he had used this route before, so we decided to chance it. It was a half-mile sprint across the overpass to the Jefferson Memorial area. We pedaled hard as cars zipped past us at highway speeds. But we made it.


Jefferson Memorial checkpoint. Photo by the author.
On the way home from Potomac Mills, I once again crossed the 14th Street Bridge. This time I decided to wait in line and go through the Tidal Basin security checkpoint to access the bike route.

A member of the Alexandria police force rummaged through my backpack once I reached the bag check area. He spotted a 12-ounce glass jar of Target-brand cheese dip that I had purchased just moments earlier along with other glass-enclosed groceries. "You'll have to throw all of those things away if you want to get through here," he told me.

This was outrageous. This city is my home. This is where I've lived for ten years. Now I can't even bike back from the grocery store with cheese dip. Had I been in a car, I could have easily driven any of the numerous roads to get home, including the 14th Street overpass.

The guard directed me towards a Park Police lieutenant who gave me the same "tough shit, buddy" look that his underling had. He told me I could either bike back across the Potomac and head many miles north to the Key Bridge crossing and on into Georgetown or bike many miles south to another crossing that he said would lead me to the Capitol.

Once again, I decided to improvise. I headed away from the checkpoint down Maine Ave., another road that didn't feel super safe for biking, and found a place where I could drag my bike under the overpass, across a couple of metal guardrails, and up 14th Street once more.

Event planners need to be mindful of common bikeway access points when setting up street closures. It is not appropriate to use a one-size-fits-all security approach anymore where people are treated as cars or non-cars. Fine, close off the Mall. Set up a perimeter. But take into consideration those of us who bike and go about our daily lives as residents of this city.

There is no need to close off bike access on 15th Street. This is how cyclists, including many tourist cyclists, access some of the area's best trails. Moreover, there is no security interest that is being protected by closing this street.

When setting up a security perimeter, please look closely at these locations instead of blankly eyeing a map and setting up roadblocks. There are freeways and overpasses in this area not just a flat street grid. Many of these roads are dangerous for pedestrians and bikers, both of whom will be forced to use these areas when left with no choice but to wait in a security line.

Public Spaces


Designs try to make E Street and the Ellipse inviting places

The five designs for the parks south of the White House are now available. All replace the ugly existing security with something more attractive, but they differ greatly on how well they will create inviting public spaces and accommodate passing through on foot or bike.


Image from Reed Hilderbrand.

The National Capital Planning Commission selected five landscape architecture firms, from California, Massachusetts, and New York (not DC) to design alternatives to the current rows of concrete barriers and metal fences between the White House and Constitution Avenue.

While each carefully considers how to incorporate security in an attractive way, manage stormwater and help trees grow, and create inviting-looking human-scaled spaces, they vary on how well they link up with the surrounding city. In particular, some strongly consider how to accommodate bicycling along E Street, while others seemed not to have even pondered the issue at all.

All attempt to make the Ellipse itself more inviting than it is today, as an oval-shaped employee parking lot for the White House complex with a giant desolate lawn in the center. But there's only so much you can do with a big empty oval surrounded by other government buildings and parks that serves little real function outside of White House public events like the national Christmas tree and menorah lightings.

Most create a low concrete wall that doubles as security and also seating for tourists. One, from Sasaki Associates, also suggests a cafe in the west grove just northwest of the Ellipse, but given current Park Service attitudes toward providing food options, it's likely the Ellipse itself will remain a place people primarily pass through in the vain search for anything good to eat within a half mile of the Mall.

The real opportunity to make a positive difference comes at E Street. It used to be a through route between Foggy Bottom and Pennsylvania Avenue downtown. Closed, it has turned into a forbidding and ugly fortress that looks more in place in Baghdad than Washington. It could at least work more like its counterpart on the north side, Pennsylvania Avenue, as a wide and attractive public space where people can observe the White House, protest, and still use as a through route for walking or bicycling.

Some of the designs embrace opportunities to activate E Street, while others think little beyond the current heavy iron gate look of the place. The less imaginative, like the one from Michael Van Valkenburgh Associates, keeps the ends largely as they are, with big vehicle gates and guardhouses right by the intersection, small pedestrian gates on the sidewalk, and fences in between:


"Sally port" layout from the Michael Van Valkenburgh Associates design.

Others, like Sasaki's and the one from Reed Hilderbrand move the screening away from the center of the roadway and thereby deemphasize them. Reed Hilderbrand's approach moves this to the northern edge of the roadway on either end, leaving the remainder as a bollard-ringed shared area that looks similar to Pennsylvania Avenue.


E Street perspective from the Reed Hilderbrand proposal.

Sasaki's proposal appears to move buildings for screening vehicles around to the perpendicular East and West Executive Avenues, letting official vehicles queue on more of E Street before reaching the checkpoints. This would have the benefit of reducing the amount of time the line spills over onto 15th and 17th Streets, blocking the road, sidewalk and/or bike lanes.


E Street portion of the Sasaki plan.

In the center, where people can view the White House, most designs try to better link the Ellipse visually to the South Lawn. Several create a large central plaza that forms a break in the lines of planted shrubs and where the distinctions between sidewalk and roadway disappear. Walkways from different angles all converge on this focal point which also includes the Zero Milestone marker.


Imaginary tourists on the central plaza in the Rogers Marvel Architects design.

To increase space for a plaza, some proposals reduce the vehicular orientation of the Ellipse. Two proposals, from Rogers Marvel Architects and Reed Hilderbrand, suggest removing parking from the northern half of the Ellipse and instead having a vehicular roadway entering from the northwest, looping around the south half of the Ellipse, and exiting in the northeast.


Flows of motor vehicles (left) and pedestrians (right) on the Reed Hilderbrand plan.

Taking an opposite tack, Michael Van Valkenburgh keeps all of the parking and designs a place to create a future underground parking garage.

As for bicycles, it's clear some designers were keeping bikes in mind while others were not at all.

Sasaki specifically labels bike lanes on E Street, and Hood Design Studio's submission shows flow for each mode of travel including through routes for bikes. Meanwhile, the proposal from Rogers Marvel Architects has an attractively laid out set of pedestrian pathways but absolutely no mention of bikes.

All proposals fill their renderings with stock images of people running, walking, standing and otherwise using the spaces. Three, the Sasaki, Reed Hilderbrand, and Hood designs, include people biking through, and sometimes rollerblading as well. The Rogers Marvel Architects and Michael Van Valkenburgh proposals, ironically the two from New York, include no images of cyclists (except one on the RMA rendering shown above, with a man in a suit on something the size of a kid's bike a folding bike gazing at the White House).

NCPC will be exhibiting all five designs at the White House Visitor Center at 1450 Pennsylvania Avenue, NW today until Monday, June 27. All groups will present designs live on Tuesday, June 28, and a task force from various agencies will choose a winner by June 30.

You can also view the submissions online and send your comments to NCPC.

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