Tourist-Oriented Directional Signs (D7-4) must be of the size and type specified in the Department's Handbook of Official Signs (PennDOT Publication 236M) or as specified in an agreement with the Department, instead of the design included in Chapter 2G of the MUTCD (relating to tourist-oriented directional signs). The Department may enter into an agreement with an outside entity to administer a program for tourist-oriented directional signs.
67 Pa. Code § 212.123