67 Pa. Code § 205.2
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Department-The Department of Transportation of the Commonwealth.
Department manuals-Reference materials, consisting of handbooks, specifications, standards and guidelines, developed by the Department for use by State and municipal engineering personnel involved in the design, location, installation, operation and maintenance of traffic signals or traffic signal systems, or both.
First class city-A city containing a population of 1 million or more.
Municipality-A county, city, borough, incorporated town or township.
Municipal traffic engineer-An employe of, or a consulting traffic engineer on retainer to, a municipality or a council of governments, established under the act of July 12, 1972 (P. L. 762, No. 180) (53 P. S. §§ 481-490), known as the Intergovernmental Cooperation Law, meeting the education, experience and responsibility requirements in §§ 205.4 and 205.5 (relating to municipal traffic engineer education and experience; and municipal traffic engineer responsibilities).
Second class city-A city containing a population of under 1 million but more than 500,000.
Secretary-The Secretary of the Department.
State Traffic Engineer-The Chief of the Traffic Engineering and Operations Division, Bureau of Maintenance and Operations, Department of Transportation.
Traffic signal-A power operated traffic control device, except a sign, warning light, arrow panel or steady burn electric lamp, by which traffic is warned or directed to take some specific action. The term includes electrically or mechanically operated traffic control signals, pedestrian signals, beacons, lane use control signals, movable bridge signals, emergency traffic signals, fire house warning devices, ramp and highway metering signals and weigh station signals.
67 Pa. Code § 205.2
The provisions of this §205.2 amended under the Vehicle Code, 75 Pa.C.S. §§ 6103 and 6122(a).