Minnesota Department of Transportation

511 Travel Info

Metro District Traffic Engineering

Signal Operations

Orange barrels on a highway

About Signal Operations

What we do

Signal Operations is responsible for the operation and timing of the traffic signals on the Highway System within the Twin Cities Metro area. The Signal Operations unit currently operates 676 signals, most of which are owned by the state. Also included in the unit is arterial modeling, and traffic signal construction inspection. 

Operations staff is responsible for the timing and operation of all the traffic signals in the Metro District. This involves developing timing/coordination plans, responding to customer complaints/inquires, monitoring system performance including detecting operational and maintenance issues. 

Operations staff also develops and analyzes existing/projected traffic patterns on arterial roadways to determine their impact to the traveling public. They provide support to construction by staking, providing quality control, inspection, coordination of signal turn-ons, and the coordination activities of activities between signal operations, ESS, and the contractor. 

Operations unit assists others in signal related training and in developing new techniques and procedures in signal operation and construction.