The Megabight Barrier / Maglev Way—Innovative Siting of High Speed Ground Transportation...Offshore

by Walter E. Tengelsen, Transystems Inc, Fort Lee, United States,

Document Type: Proceeding Paper

Part of: High Speed Ground Transportation Systems I: Planning and Engineering


Air and road traffic congestion around cities, e.g., in the BOSWASH corridor, can be reduced by high speed rail systems. But high speed trains on elevated rails/guideways encounter extra costs and problems; even more so for underground tunnels between cities. An interesting alternative is to place the rail systems offshore, in submerged floating tunnels which are suspended 30+ meters below the surface, running parallel to the coast. The tunnels become part of a larger, multifunction offshore construct which features a string of permanent, waste entombing islands with a storm surge protector in between: THE MEGABIGHT BARRIER project. Underground/underwater trains or people-movers bring passengers and cargo from major cities to connecting stations within the islands. The paper discusses two underwater transport projects proposed by other countries and presents this new offshore possibility for the U.S.

Subject Headings: Rail transportation | Underwater construction | Highway barriers | Magnetic levitation trains | Offshore structures | Railroad stations | Underwater structures | Tunnels

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