§ 101-c. B-train assembly. A rigid frame extension attached to the\nrear frame of the first semitrailer, in a\ntractor-semitrailer-semitrailer combination of vehicles, which allows\nfor a fifth wheel connection point for the second semitrailer.\n
B-train assembly
N.Y. Vehicle & Traffic Law § 101-C, under Words and Phrases Defined.
N.Y. Vehicle & Traffic Law § 101-C