Skip to main content

Washington’s smarter traffic signals could ease commuter congestion

City officials in Washington, DC, are launching a two-year test of technology that they hope will ease traffic gridlock and improve public safety in the city. In 2013, they will begin connecting traffic signals to existing high-speed network cables that run beneath the city streets. Once connected to the network, the signals will be equipped with video cameras and wi-fi hot spots. The test program will cover traffic lights at 16 intersections. According to governing.com the DC metro area regularly turns up
November 14, 2012 Read time: 3 mins
City officials in Washington, DC, are launching a two-year test of technology that they hope will ease traffic gridlock and improve public safety in the city.

In 2013, they will begin connecting traffic signals to existing high-speed network cables that run beneath the city streets. Once connected to the network, the signals will be equipped with video cameras and wi-fi hot spots. The test program will cover traffic lights at 16 intersections.

According to %$Linker: 2 External <?xml version="1.0" encoding="utf-16"?><dictionary /> 0 0 0 oLinkExternal governing.com www.governing.com false http://www.governing.com/columns/tech-talk/col-taming-tough-commute.html false false%> the DC metro area regularly turns up on lists of the nation’s most congested cities. A study by Texas A&M University’s Texas Traffic Institute estimated that DC commuters spent 74 hours stuck in traffic in 2010, worse than New York, Chicago or Los Angeles.

Rob Mancini, chief technology officer for Washington, DC, thinks smart traffic management can shave off some of those hours spent commuting and improve public safety too.

The program will explore the feasibility of a number of potential improvements, Mancini says. For instance, the city will test whether power can be delivered to traffic signals through the communications network using a technique called power over Ethernet, which could keep traffic signals operating when traditional power lines are down. The city also will experiment with sending live traffic video to police officers and traffic management centres.

“When we have a problem at a particular intersection, we could use the camera and the wi-fi hot spot to send video to the nearest police cruiser and show them where we have an issue,” Mancini says. “Assuming we ultimately go beyond our 16 test blocks, this could mean a much more rapid response to traffic issues in the city.”

Besides improving the daily commute, broad deployment of smart traffic management technology could strengthen overall emergency response in the nation’s capital. When a relatively mild earthquake struck the area in 2011, thousands of office workers were evacuated from their buildings. When they attempted to head home, they jammed the streets and brought traffic to a standstill. The new system could give traffic managers much better information about conditions in the city and let them take control of traffic signals to speed future evacuations.

Mancini says the smart traffic experiment is possible because of Washington, DC’s commitment to building a high-speed information network that stretches throughout the city.  More than 350 miles of fibre optic cable has already been installed, and the city expects to complete an additional 170 miles of cabling by late next year.

“The sky’s the limit when you have this level of connectivity,” Mancini says.
Indeed, he envisions wi-fi hot spots at traffic intersections providing valuable services and applications to DC commuters while they wait for the lights to change. During emergencies, when cellular networks often become overloaded with callers, drivers stuck in traffic could still text a message home, Mancini says. In more routine situations, drivers could simply access free city apps that report traffic conditions and recommend alternative routes.

Related Content

  • Iteris adds to video detection product suite
    April 22, 2013
    Iteris has used this ITS America Annual Meeting to stage the world launch of Vantage Next, a product addition to its Vantage video detection product suite. The company says the new product represents the industry’s most advanced video detection system, featuring a scalable processing platform that provides full-motion streaming video, real time traffic data collection, and on-board Ethernet communications.
  • Siemens: smarter and easier parking
    May 20, 2012
    This year at the ITS America Annual Meeting, Siemens Industry is exhibiting its portfolio of intelligent city solutions, including regional transportation management system software, Connected Vehicle technology, Bluetooth travel time measurement software and electric vehicle infrastructure offerings.
  • Stereoscopic camera system enables speed monitoring across two lanes
    March 10, 2014
    Imagsa Technologies, a high-tech company founded in 2006 to develop high-speed intelligent cameras, will use Intertraffic Amsterdam 2014 to launch a major new camera, the Chronos’Spot. The company is a pioneer in the use of massive parallelism to analyse 270 images per second with 2048 x 1024pixeles resolution (2 megapixel). The Chronos’Spot stereoscopic vision system combines two of these smart cameras to capture and analyse a total of 1080 megapixels per second. This huge volume of data is processe
  • US Transportation Secretary to speak at TRB annual meeting
    January 5, 2017
    More than 13,000 people from about 70 countries, including policymakers, administrators, practitioners and researchers from government, industry, and academia, are expected to gather for the US Transportation Research Board (TRB) 96th Annual Meeting. The event will be held at the Walter E. Washington Convention Center in Washington, DC, from 8-12 January and will involve more than 5,000 presentations at over 800 sessions and workshops covering all transportation modes. Approximately 130 sessions will addr