In Boynton v. Virginia, 364 U.S. 454, 81 S.Ct. 182, 5 L.Ed.2d 206 (1960), a Negro passenger on a bus was arrested under a trespass statute for refusing to comply with an order to leave the premises of a 'white' restaurant in a bus terminal. The Supreme Court reversed the trespass conviction because of the preemptive effect of 49 U.S.C. section 316(d). In Boynton the discriminatory acts were committed by the restaurant owner and the police of Richmond, Virginia; here it is the City of Jackson and the Jackson police. The Supreme Court made it clear in Boynton that the applicability of section 316(d) did not turn on whether the discriminatory conduct was committed by a carrier.