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Posts from the Walking Category

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The Missing Piece in DOT’s Left-Turn Safety Plan: Real Split-Phase Signals

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DOT is ramping up the use of leading pedestrian intervals to reduce left-turn collisions, without committing to add signals that completely separate pedestrians and turning drivers. Photo: Brad Aaron

Split-phase traffic signals protect pedestrians and cyclists by separating them from turning drivers — people walking and biking across the street get their own signal phase, and drivers turning into the crosswalk get another. Research indicates that split-phase signals are highly effective at preventing traffic injuries and deaths. But when DOT revealed its strategy to reduce crashes caused by left-turning drivers, there was no commitment to increase the use of split-phase signals.

DOT is scaling up a similar intervention — leading pedestrian intervals, which allow pedestrians to enter intersections a few seconds before turning drivers get a green light. LPIs reduce injuries too, but not as much as split-phase signals, according to a 2014 DOT-funded study published in the journal “Accident Analysis and Prevention” [PDF].

The study analyzed crash data from 68 New York City intersections with either LPIs or split phases between 2000 and 2007, though the vast majority — 59 — had LPIs. Both types of signal adjustments performed better than a control group of intersections where turning drivers were permitted to proceed at the same time as pedestrians and cyclists. The improvement was more pronounced, however, at split-phase signals.

At intersections equipped with split-phase signals, pedestrian and cyclist injuries declined a precipitous 67 percent. At intersections with LPIs, pedestrian injuries declined 38 percent and bicyclist injuries 52 percent. (For the control group, the reduction was 25 percent for pedestrians and 44 percent for cyclists.) The data on split-phase signals was limited, however — it came from only nine intersections, with no locations in Manhattan.

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Brooklyn Bridge Promenade Expansion Could Start in 2019

DOT's hypothetical concept for expanding pedestrian and bike access on the Brooklyn Bridge would build new paths over the steel girders that run above the main roadways. Image: DOT

DOT’s concept for expanding the walking and biking path on the Brooklyn Bridge would build new paths over the steel girders that run above the main roadways. Image: DOT

An expansion of the Brooklyn Bridge walking and biking path could get underway by 2019 if it’s folded into a rehab project that’s already in the pipeline, DOT Commissioner Polly Trottenberg said this afternoon.

The path is as narrow as 10 feet at pinch points and cannot comfortably accommodate the thousands of people who use it each day.

For now, the next step is a $370,000 feasibility study slated to wrap up in seven months. DOT has already conducted a preliminary assessment of conditions on the bridge path and posted a working concept for the expansion [PDF].

The idea is to widen the pathway by building on top of the steel girders that run over the bridge’s main roadways. Most of the wooden deck for walking and biking is four feet below the girders, so the expansions would be at a higher grade than the current path. Trottenberg said DOT will also explore expanding the concrete approaches to the wooden deck on both the Brooklyn and Manhattan sides.

If the concept proves unfeasible for whatever reason, Trottenberg said DOT’s attention could turn to the main roadway. “I think if the study finds out that it’s not feasible, there is going to be interest in seeing what we would do next in terms of potential traffic,” she said. “Look, the Brooklyn Bridge carries a lot of traffic… But I think certainly we’re seeing a lot of enthusiasm about the idea of making more of the bridge available for cyclists and pedestrians.”

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DOT Will Study Widening the Brooklyn Bridge Walking and Biking Path

Rendering: NYC DOT

What a wider Brooklyn Bridge promenade might look like. Rendering: NYC DOT

The days of pedestrians and cyclists fighting for scraps of space on the Brooklyn Bridge may be numbered.

NYC DOT has initiated a study of expanding the narrow promenade, which is too crowded to work well for pedestrians or cyclists for most of the year. The Times reports that the city has retained engineering firm AECOM to study the feasibility of widening the pathway, which has not been expanded since the bridge opened in 1883.

Stories about conflict between walkers and bikers on the cramped promenade have become a rite of spring in New York City. As soon as the city thaws out from winter, people head out to walk or bike across the Brooklyn Bridge in numbers that the path, which is as narrow as 10 feet on some sections, cannot comfortably support.

Pedestrian counts on peak days tripled between 2008 and 2015, and bike counts nearly doubled, according to the Times. Typical weekday traffic is now 10,000 pedestrians and 3,500 cyclists. Still, those numbers probably don’t come close to capturing how many people would bike or walk across the bridge if the path were not so cramped.

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Wider Sidewalks Coming to Flushing’s Crowded Main Street

Pedestrians crossing Roosevelt Avenue at Main Street, the location of the Flushing-Main Street subway station, at around noon today. Photo: David Meyer

Foot traffic on Roosevelt Avenue at Main Street, the location of the Flushing-Main Street subway station, at around noon today. Photo: David Meyer

Main Street in Flushing gets more foot traffic than anywhere else in New York after Times Square, but its sidewalks are too narrow to handle all those people. So later this month, the city will begin expanding the sidewalks on four blocks of Main Street, Council Member Peter Koo, DOT, and the Department of Design and Construction announced this afternoon.

Set to begin next Monday, the project will also add a one-block bus lane and high-visibility crosswalks, part of a bottom-up reconstruction of Main Street between 37th Avenue and 40th Road.

This section of Main Street is located at the convergence of the 7 train, the Long Island Railroad, 13 MTA bus routes, and many private bus lines. At any given point in the day, the sidewalks are overflowing with commuters and shoppers, 83 percent of whom arrive by foot or transit, according to DOT.

Council Member Peter Koo (center) spoke this afternoon alongside DDC Commissioner Feniosky Peña-Mora and DOT Queens Commissioner Nicole Garcia. Photo: David Meyer

Council Member Peter Koo (center) with DDC Commissioner Feniosky Peña-Mora and DOT Queens Commissioner Nicole Garcia. Photo: David Meyer

Downtown Flushing’s streets are designed primarily to move motor vehicles, however, and people walking on Main Street have to contend with heavy car traffic. In 2015 alone, 28 pedestrians were injured and two were killed along the .9-mile stretch of Main Street between Northern Boulevard and Elder Avenue, according to Vision Zero View.

The $7.8 million reconstruction project will add between two and eight feet of sidewalk space, depending on the location, building on a 2011 project that used paint and flexible bollards to narrow the roadway and expand space for pedestrians. That project led to an 11 percent decline in traffic injuries, according to DOT Queens Borough Commissioner Nicole Garcia. Casting the wider sidewalks in concrete, she said, will “deliver on Mayor de Blasio’s Vision Zero goals.”

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The New York of 2016 Needs the Wide, Generous Sidewalks of 1906

The Times ran a feature on the pedestrian crush in New York City today, and as good as the photos are, they don’t do the situation justice. To get a sense of just how inadequate the sidewalks are in Midtown, you need to go there — or failing that, watch this Streetfilm from 2009 with narration by Streetsblog publisher Mark Gorton.

Believe it or not, these scenes of people overflowing off the sidewalk were shot during a post-recession ebb in pedestrian traffic, according to DOT counts cited by the Times. Since this video was made, the crowding has actually gotten worse.

New York didn’t always have such meager sidewalks — over the years, the city systematically shrank pedestrian space to make room for motor vehicles. Here’s a look at the sidewalk on Lexington Avenue and 89th Street today, and the much more accommodating dimensions near the turn of the 20th Century, courtesy of architect John Massengale:

Here’s the 1909 plan to shave 15 feet of sidewalk off Fifth Avenue to widen the roadbed for cars:

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Streetsblog USA
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How Can Cities Move More People Without Wider Streets? Hint: Not With Cars

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Here’s how many people a single traffic lane can carry “with normal operations,” according to the National Association of City Transportation Officials.

How can cities make more efficient use of street space, so more people can get where they want to go?

This graphic from the new NACTO Transit Street Design Guide provides a great visual answer. (Hat tip to Sandy Johnston for plucking it out.) It shows how the capacity of a single lane of traffic varies according to the mode of travel it’s designed for.

Dedicating street space to transit, cycling, or walking is almost always a tenacious fight, opposed by people who insist that streets are for cars. But unless cities make room for pedestrians, cyclists, and transit riders, there’s no room for them to grow beyond a certain point.

NACTO writes:

While street performance is conventionally measured based on vehicle traffic throughput and speed, measuring the number of people moved on a street — its person throughput and capacity — presents a more complete picture of how a city’s residents and visitors get around. Whether making daily commutes or discretionary trips, city residents will choose the mode that is reliable, convenient, and comfortable.

Transit has the highest capacity for moving people in a constrained space. Where a single travel lane of private vehicle traffic on an urban street might move 600 to 1,600 people per hour (assuming one to two passengers per vehicle and 600 to 800 vehicles per hour), a dedicated bus lane can carry up to 8,000 passengers per hour. A transitway lane can serve up to 25,000 people per hour per travel direction.

Of course, it usually takes more than changing a single street to fully realize these benefits. A bike lane won’t reach its potential if it’s not part of cohesive network of safe streets for biking, and a transit lane won’t be useful to many people if it doesn’t connect them to walkable destinations.

But this graphic is a useful tool to communicate how sidewalks, bike lanes, and transitways are essential for growing cities looking to move more people on their streets without the costs and dangers inherent in widening roads.

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After Fatal Hit-and-Run, Queens CB 1 Calls on DOT to Redesign 21st Street

A hit-and-run driver killed a 45-year-old man earlier this month at this on 21st Street in Astoria, where advocates have been calling for traffic-calming for over two years. Image: Google Maps

A hit-and-run driver killed 45-year-old Sean Crume earlier this month on 21st Street in Astoria, where advocates have been calling for traffic-calming for over two years. Image: Google Maps

Queens Community Board 1 endorsed a resolution late last night asking DOT for a “comprehensive redesign of the entire length of 21st Street along Complete Street principles.”

The vote comes after a hit-and-run driver killed 45-year-old Sean Crume walking across 21st Street at 30th Road, where there is no signalized crossing, earlier this month. It was the fourth fatality on 21st Street since 2009, according to Vision Zero View.

The resolution was nearly delayed to next month, according to advocates who attended last night, but the board ultimately passed it at around 10:30 p.m.

With wide lanes and lots of car traffic traveling between the BQE and the free Queensboro Bridge, 21st Street ranks in the bottom third of Queens’ streets in terms of safety, according to DOT [PDF].

Volunteers with Transportation Alternatives’ Queens Committee have been pushing for traffic calming on 21st Street for two and a half years. The campaign has collected 1,600 signatures and 37 letters of support from local organizations and businesses.

DOT responded last year with meager safety improvements: some painted curb extensions and a few tweaks to signals and lane striping, but no major changes to the basic geometry of the street. Agency officials maintained that high rush hour traffic volumes precluded narrowing the roadway and adding bike lanes or pedestrian islands.

Local advocates weren’t satisfied. “We haven’t stopped campaigning,” said TA Queens member Angela Stach. “We have been trying to push our council members to go back to the city and ask for more.”

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Streetsblog USA
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What If We Measure Streets for Walking the Way We Measure Streets for Cars?

“What you measure is what you get,” the saying goes. In transportation, the dominant metrics are all about moving motor vehicle traffic, so America has built a transportation network that moves a lot of cars. Our streets may be dangerous, expensive, and inefficient, but they do process huge volumes of motor vehicles.

Photo: Billie Grace Ward/Flickr via City Observatory

A quintessentially American transportation metric — and a highly influential one — is the Texas Transportation Institute’s congestion report, which ranks cities based on the time drivers spend moving slower than “free-flowing” traffic. By focusing so intently on driver delay, the report obscures more meaningful information, like the total time people spend commuting.

City Observatory has been doing a fantastic job debunking the TTI report. On April Fool’s Day, City Observatory’s Joe Cortright published a tongue-in-cheek takeoff on TTI’s methodology that he’s calling the “Pedestrian Pain Index.” The idea sounds simple: What if we measured the transportation system for pedestrians the same way we measure it for drivers?

The Pedestrian Pain Index sums up how many minutes people around the country spend waiting for the “walk” signal at intersections. If you multiply that number by the same “value of time” assumptions that TTI uses to assign a dollar figure to the cost of congestion, pedestrian delay at intersections costs the U.S. economy $25 billion annually.

Cortright says it’s not as easy to produce this analysis as the one for car congestion, because transportation agencies have developed all sorts of tools to measure motor vehicle delay. Not so much for pedestrian delay. Here he explains his methodology:

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Streetsblog USA
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Fast Changes to City Streets: A 9-Step Guide for Creative Bureaucrats

Marshall Avenue and Monroe Avenue, Memphis, Tenn. Photo: John Paul Shaffer

pfb logo 100x22Michael Andersen blogs for The Green Lane Project, a PeopleForBikes program that helps U.S. cities build better bike lanes to create low-stress streets.

For most of the 20th century, cities answered transportation problems by adding more pavement.

More freeways. More lanes. More parking lots. More things that couldn’t be reversed or revised.

So it made sense, at the time, for the public process around civil engineering projects to focus, above all else, on not making mistakes. Generations of city workers embraced the value of “Do it once and do it right.”

But today’s transportation problems are different, and so are the projects that respond to them. Naturally enough, the process of planning and designing such projects has begun changing, too.

From the experimental lawn chairs scattered across New York’s redesigned Times Square on Memorial Day 2009 to the row of plastic posts on Denver’s Arapahoe Street after a bike lane retrofit last fall, city projects are tackling big problems with solutions that are small, cheap, fast and agile. But until now, no one has created a short, practical guide for cities that want to create a program to do things like these.

Today, we’re publishing that guide.

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Streetsblog USA
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Finally, a Little Accountability for State DOTs on Bike and Pedestrian Safety

In a win for bike and pedestrian safety, the Federal Highway Administration announced yesterday that it will require state transportation agencies to do something they have never had to do before: set goals to reduce bike and pedestrian fatalities, and track progress toward attaining those goals.

The news is part of FHWA’s roll-out of several “performance measures” for state and regional transportation agencies. The system of metrics is supposed to make the agencies more accountable for the billions of dollars in federal transportation funds they receive every year.

Advocates for walking and biking pressed FHWA to include bike and pedestrian safety measures in the performance standards, after they were initially excluded. Andy Clarke, former head of the League of American Bicyclists, now with the Toole Design Group, said the League helped solicit more than 11,000 comments in favor of creating performance measures for bike and pedestrian safety.

FHWA must have been listening. In its announcement, the agency said, “Non-motorized safety is of particular concern and improving conditions and safety for bicycling and walking will help create an integrated, intermodal transportation system that provides travelers with real choices.” Translation: The feds value walking and biking.

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