by Israel. Miśrad ha-taḥburah ṿeha-beṭiḥut ba-derakhim , Jerusalem. Tseṿet tokhnit av le-taḥburah bi-Yerushalayim
United States. National Transportation Safety Board.
San Francisco County Transportation Authority.
United States. General Accounting Office
United States. Federal Highway Administration.
United States. General Accounting Office
Glover, John