Signal Timing and Coordination

Has the Way the Traffic Signals Work Changed?

When the centralized traffic control system was introduced, many of the traffic signals changed from a "stand alone" operation to a coordinated operation. This change was made because:

• The average annual daily traffic significantly increased on the
  Regional road network
• Traffic signals operate more effectively and can accommodate
  more cars
• Safety and efficiency are increased
• Delays and driver frustration are reduced

To accommodate the large traffic demands, traffic signals are programmed as efficiently as possible. This sometimes means turning off left turn arrows or requiring pedestrians to push buttons to activate the walk signals. More information is available by clicking on:

• Left Turn Signals
• Pedestrian Signals at Intersections

How Often is the Signal Timing Reviewed?

In addition to responding to the daily changes in traffic, the Region's staff perform a comprehensive review of the timing at each traffic signal. This review considers:

• The increased number of vehicles each year
• Changes to the roads from construction
• New developments and accesses
• New roads and traffic signals

Why Do I Have to Wait Longer on the Side Street?

To ensure that the vehicles travelling on the main streets are provided successive green indications, it is sometimes necessary to delay the traffic on the side street until the "green window" on the main street is finished. Studies show that drivers have recovered this extra delay by the time they have passed the third traffic signal on the main street.

Contact Us

If you need additional information, or have comments and concerns, please submit them by using our online Traffic Contact Form