N.J. Stat. § 54:29A-17.1
The value of all property used for railroad purposes of each railroad shall be ascertained without including any part of the value of improvements to capital facilities undertaken pursuant to the provision of a contract with the State Highway Commissioner or pursuant to the provision of an agreement with a municipality, where such improvements were made after January 1, 1963. For the purpose of this section "improvements to capital facilities" shall mean the construction, reconstruction, relocation, establishment, improvement (by way of betterments, additions or otherwise) or rehabilitation in connection with passenger service of passenger stations and terminals, automobile parking facilities for railroad patrons, track connections, signal systems, power systems, roadbeds, equipment storage and service facilities, and shall include the reconstruction or rehabilitation of railroad passenger cars, locomotives, self-propelled passenger carrying rail cars.
N.J.S. § 54:29A-17.1