148 A. 711 Newman et ux., Appellants, v. Protective Motor Service Co. Supreme Court of Pennsylvania.November 29, 1929. January 6, 1930. Negligence — Automobiles — Traffic signals — “Go” signals — Pedestrians — Duty of drivers of automobiles at crossings — Contributory negligence. 1. At crossings of streets, drivers of all motor vehicles must be […]