“DDOT will implement new traffic signal timing plans for 386 intersections”

by Prince Of Petworth June 2, 2016 at 3:00 pm 18 Comments

From DDOT:

“The District Department of Transportation (DDOT) today announced it will begin the latest phase of its multi-year traffic signal optimization strategy designed to reduce traffic congestion and improve traffic flow throughout the District.

Starting Friday, June 3, DDOT will implement new traffic signal timing plans for 386 intersections in Northwest Washington, DC. The boundaries of the latest implementation area include Canal Road to the west, North Capitol to the east, Eastern and Western Avenues to the north, and Florida Avenue to the south.

“Reducing congestion improves the quality of life for DC residents, enhances the business environment, and allows visitors to enjoy more of the District,” said DDOT Director, Leif A. Dormsjo. “We’re seeing the positive results of our congestion mitigation strategy in areas where the traffic signals have already been optimized, and we look forward to realizing the impacts of this next phase.”

Based on engineers’ estimates, the optimization in the first two phases reduced traffic delays by up to 30 percent in some of the impacted areas. DDOT’s engineers are reprogramming the traffic signals using updated pedestrian and vehicular traffic data along with new traffic models reflecting current traffic conditions. The new timing plans are designed to accommodate the District’s varying travel demands by time-of-day, including the morning, midday and evening rush hours, as well as the diverse traffic patterns experienced on weekdays, weekends and evenings.

Along with improving traffic flow, the project seeks to optimize pedestrian crossing times, reduce motorist travel times, and lower emissions and fuel consumption. The citywide signal optimization initiative started in 2012 and is intended to improve the District’s entire traffic signal network of more than 1,650 signals by early 2017.

The most recent phase of signal optimization, which was completed last summer, included nearly 650 intersections in the greater downtown Washington, DC, area.

DDOT will monitor and make necessary adjustments to the traffic signal timing operations through mid-June. Motorists are advised to use caution in these areas as they become acquainted with the new signal timing patterns, and report any concerns to 311.”

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  • Philippe Lecheval

    I drive downtown regularly and have seen no improvement whatsoever. I think these “optimizations” have very little effect on things when you have a density of traffic as great as ours.

    • Anonymous

      So your particular route didn’t seem to be affected, thus rendering this excercise futile. Got it.

  • Erin

    I just hope for some of these to make certain intersections less life threatening (hey New Hampshire/Quincy/7th St NW – looking at you!)

    • Erin

      Ugh just re-read it. This isn’t part of the plan. eternal :(

  • Ann

    As a pedestrian, I’ve absolutely hated this change. Multiple signals on my normal routes are now 75+ seconds long. I did not know I could care so much about traffic signals, but every time I hit one it makes me angry.

  • Brian

    Maybe PAVING THE STREETS would help people to get around also. Not everyone has a 4 wheel drive for the terrain we call streets in DC.

    PS the intersection at New York/New Jersey and the 395/3rd St tunnel is a total shit show.

    • JohnH

      Try S Street between 13th and 14th particularly going east. Need a Dramamine before that.
      They’ve redone the sidewalks, hopefully the roads next.

  • DP

    I don’t know if DDOT controls this one, but the set at Virginia Ave and Rock Creek Parkway need this badly. But I imagine the optimization varies by time of day, don’t know if they can handle that. But there are needless southbound backups all the time.

    • ClePark

      Oh god this one is horrible. There will be backups there early on Saturday mornings even. A few more second of a protected left turn for southbound traffic would probably help a lot. While they are at it they can build an actual connection between the 66 connector and RCP…

  • Anonymous

    Please for the love of god fix Georgia Avenue — especially by Walter Reed. This ain’t complicated!

  • lindz0722

    I’ve been hoping for a signal update over the H Street NE bridge behind Union Station. The pedestrian signal is only about 20 seconds long (and sometimes traffic is stopped for a bus to leave but with no walk signal). There’s lots of people crossing against the signal and crossing halfway, which is really dangerous on a hill. With more residential coming to H Street, it’s only going to get more crowded with pedestrians.

  • The NeighborHood Reporter

    I have seen to the mountain top and I have looked over. The traffic signals at the “Wendy’s Circle” where Fla and NY
    Avenues cross has been improved in the last 2 months traffic now gets by better since the southbound 1st street
    and the left turn onto NY avenue now change at the same time where it was S/B 1st then left. Small changes make big steps.

    • LadyInBlue4123


  • jkauf23

    This is great news for pedestrian walkers. In NYC you can make basically every light if you keep the same pace, I always hoped/wished they would do that here. Hopefully they care about the walkers as much as the automobiles.

    • LadyInBlue4123

      I feel bad for the Peds…. Well except the ones who walk in the dark with dark clothing … That just doesn’t make sense to me…

  • It’s just me

    Will they fix the fact that one of the lights is still green after the rest turn red on northbound 14th at Kenyon/Park?

  • LadyInBlue4123

    Worst timed lights in the country… You would think with the High Level of Education running this place, they could figure it out…. Hmmm.


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