Usability 
New York MTA - includes New York's city buses, subway and the Metro North and Long Island Railroad commuter trains. The Metro North schedules are a static list of all trains for a given day of the week and direction, but the Long Island Railroad's allow you to specify the time, start and destination station to receive a custom schedule. For New York city buses and the subways, there is a full featured point to point and round trip planner and a "Service in the Area" feature that list all lines within a mile or less radius of a given address. The site also has service advisories and PDF maps.