Primary Interstate Highways are the major interstate highways of the United States and have a one or two-digit route number. Even (0, 2, 4, 6, or 8) route
"freeway revolts" to keep the highways from being built in downtown. Today there are some highways numbered U.S. highways and state routes that run through
February 11 – In Fort Worth, Texas, United States, at least nine people were killed in an accident involving 133 vehicles on a highway; affected by the weather
passengers on board, plus 71 people on the ground are killed in the crash. At 155 people dead, it was the worst aviation disaster in history at that time.