What tunnel runs under the Hudson River and has a ventilation system innovated by Ole Knutsen Singstad?
Ole Singstad Ole Knutsen Singstad (June 29, 1882 – December 8, 1969) was a Norwegian-American civil engineer who innovated the ventilation system for the Holland Tunnel (which subsequently became commonly used in other automotive tunnels) and advanced the use of the "Sunk-tube" method of underwater vehicular tunnel building, a system of constructing the tunnels with prefabricated sections.
List of NJ Transit bus routes (100–199) New Jersey Transit operates interstate bus routes in northern New Jersey, most terminating at the Port Authority Bus Terminal (PABT) in Midtown Manhattan. There are several routes to the George Washington Bridge Bus Terminal and one serves Lower Manhattan via the Holland Tunnel. Some of the routes that use the Lincoln Tunnel to the PABT travel along the marginal road of Route 495 allowing for local connections in Hudson County.