Abstract
The limit of acceptable express bus service in Manhattan is defined. Where additional buses might be accommodated is shown on the basis of system capabilities and passengers' destinations. At present, there is little space for additional express buses during peak hours in the Manhattan central business district in Madison, Fifth, and Sixth avenues in Midtown and along Broadway and Church Street in Lower Manhattan. Volume-capacity analyses indicate that setting limits on the number of express buses is not practical at present, because bus volumes entering the Manhattan hub during peak hours have declined.