In this simulated attack we have assumed that New York is the only city attacked and that there is nothing to prevent state and federal agencies from concentrating their resources on bringing aid to the devastated area. Though the cleanup and decontamination of the most severely damaged and radioactive areas would take years, much immediate aid could be obtained from the outside. Access Manhattan is an island connected to the rest of New York and New Jersey by tunnels and bridges. Many of these access points will be affected to