The Q3 bus route constitutes a public transit line in Queens, New York City, operating via Farmers Boulevard between the 165th Street Bus Terminal in Jamaica and John F. Kennedy International Airport.

The 165th Street Bus Terminal, also known as Jamaica Bus Terminal, the Long Island Bus Terminal, Jamaica−165th Street Terminal, or simply 165th Street Terminal, is a major bus terminal in Jamaica, Queens. Owned by FBE Limited, the terminal serves both NYCT and MTA Bus lines as well as NICE Bus lines to Nassau County, and was a hub to Green Bus Lines prior to MTA takeover. It is located at 89th Avenue and Merrick Boulevard, near the Queens Public Library's main branch. Most buses that pass through Jamaica serve either this terminal, the Jamaica Center subway station at Parsons Boulevard, or the LIRR station at Sutphin Boulevard.