City-Wide Traffic Signal Timing Optimization I & II
Washington, D.C.

 

  • Signal Timing Optimization
  • Synchro & Sim Traffic Modeling
  • Public involvement
  • Special Event & incedent Management
  • GIS
  • Bicycle Analysis

 

Sabra & Associates has led two consecutive contracts for the optimization of all 1,650 traffic signals in DC. Before & After studies have shown substantial benefits to vehicular and transit traffic, pedestrians, and bicyclists, exceeding the goal to make DC traffic signals safer and friendlier for pedestrians, improve bus running times, improve overall traffic flow, and reduce emissions. Vehicle delays have been reduced by 20%; harmful emissions by 13%, transit riders are collectively saving 2,000 hours per day, and pedestrian mobility has improved. The Benefit analyses show benefits > $150M per year.

Headquarters
Columbia, Maryland

7055 Samuel Morse Drive
Suite 100
Columbia, MD 21046
Phone: 443-741-3500
Fax: 443-741-3700

Baltimore, Maryland
300 East Lombard Street
Suite 840
Baltimore, MD 21202

Phone: 443-741-3500
Fax: 443-741-3700

Baltimore, Maryland
1502 Joh Avenue
Suite 100
Baltimore, MD 21227

Phone: 410-536-3653
Fax: 410-536-3654

Washington, D.C.

100 M Street SE
Suite 550
Washington, DC 20003

Phone: 202-570-7080
Fax: 202-697-5007

Vienna, Virginia

8150 Leesburg Pike
Suite 630
Vienna, VA 22182

Phone: 703-942-8990

AASHTO

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