Clear Tunnel After Explosion And Fire. Workers use a towing vehicle Trucks trapped in Holland Tunnel, connecting New York and New Jersey, May 13. Explosion of Chemicals being carried through the conduct by a truck, resulted in a fire which trapped several trucks in the under-water passage. Force of the Explosion shattered the overhead protective covering. May 13, 1949. (Photo by Associated Press Photo).;Clear Tunnel After Explosion And Fire. Workers use a towing vehicle Trucks trapped in Holland