The following highways are numbered 11A:

Canada

Ontario Highway 11A King's Highway 11A, commonly referred to as Highway 11A, was the highway designation for an alternate route of Highway 11 in the Canadian province of Ontario. The north-south route paralleled Highway 11 (Yonge Street) within Toronto, ...

- two former stretches of highway within Ontario.

India

National Highway 11A (India)

United States

New Hampshire Route 11A New Hampshire Route 11 is a east–west state highway in New Hampshire, running completely across the central part of the state. Its western terminus is at the Vermont state line in Charlestown, where it continues west as Vermont Route 11. The e ...

New York State Route 11A New York State Route 11A (NY 11A) is a state highway in Onondaga County, New York, in the United States. It is an alternate route of U.S. Route 11 (US 11), beginning at an intersection with NY 80 in the town of Tully j ...

County Route 11A (Otsego County, New York) County routes in Otsego County, New York, are signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. Road names for each route are listed below where applicable; however, most routes are known only b ...

County Route 11A (Sullivan County, New York) County routes in Sullivan County, New York, are maintained by the Sullivan County Division of Public Works and signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. The county highway system com ...

Oklahoma State Highway 11A {{Road index, 011A, sd=none