Each carrier shall comply with 66 Pa.C.S. § 2702 (relating to construction, relocation, suspension and abolition of crossings) and obtain Commission approval of the construction, alteration or relocation of every public highway and railroad crossing at grade, above grade or below grade, unless the Commission has given its prior unconditional consent to an abandonment of service or facilities of the line of railroad upon which such crossing or crossings are located.
52 Pa. Code § 33.31
This section cited in 52 Pa. Code § 33.21 (relating to general).