§9201. Definitions.

The following words and phrases when used in this chapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:

"Critical corridor." Either of the following:

(1) A State highway segment intersecting with a limited access ramp identified by the Secretary of Transportation.

(2) A State highway segment with bidirectional average annual daily traffic greater than 10,000 vehicles as determined by the department's Roadway Management System.

"Department." The Department of Transportation of the Commonwealth.

"Designated traffic corridor." A State highway segment, other than a critical corridor, determined by the Secretary of Transportation to be subject to the provisions of this chapter.

"Existing agreement." An agreement between the department and a municipality for the maintenance of a traffic signal existing prior to the effective date of this section.

"Maintenance." The activity of keeping a traffic signal in proper working condition during the useful life of the traffic signal.

"Municipality." A city, borough, town or township.

"Replace." The modernization of an existing traffic signal within a designated traffic corridor.

"Synchronize." The coordination of the timing of all traffic signals within a designated traffic corridor for the purpose of operating as a single system.

"Timing." The programming of traffic signals within a designated traffic corridor in order to synchronize the signals.