Traffic Signals

Mission

As DDOT is charged with providing a safe transportation system by maintaining a high quality traffic control system, including traffic signals and street lights, DDOT shall:

• regularly evaluate the need for adjustments to traffic signal timing to minimize unnecessary automobile idling.
• review timing on pedestrian signals to ensure that adequate time is provided for crossing, particularly for locations with a large elderly population.
• place and maintain traffic control devices on all District streets and highways as necessary to regulate, warn, or guide traffic.

Procedures & Services

Residents may request traffic signal issue investigations by calling the Mayor's Citywide Call center at 311, or visiting 311 Online, and submitting a request.

Traffic Signal FAQs

HAWK Pedestrian Signal Guide

Energy Savings Initiatives - LED Traffic Signals, Uninterruptible Power Supply (UPS), and Signal Optimization

DDOT shall adopt the Federal Highway Administration's (FHWA) Manual on Uniform Traffic Control Devices (MUTCD) as the official standard for traffic signs, traffic signals, pavement marking, and traffic control devices. (DCMR 18-2100).

See Related

• Page:
  Traffic Signs (Compendium)
• Page:
  Traffic Signals (Compendium)
• Page:
  Traffic Calming (Compendium)
• Page:
  Traffic (Compendium)