Prince Edward Island Route 21
| Bunbury Road Fort Augustus Road | ||||
| Route information | ||||
| Maintained by the Department of Transportation, Infrastructure, and Energy | ||||
| Length | 30.9 km (19.2 mi) | |||
| Major junctions | ||||
| West end | Route 1 (TCH) in Southport | |||
| East end | Route 323 in Fanning Brook | |||
| Location | ||||
| Country | Canada | |||
| Province | Prince Edward Island | |||
| Counties | Queens, Kings | |||
| Highway system | ||||
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Route 21, also known as Bunbury Road and Fort Augustus Road, is a 30.9 km (19.2 mi), two-lane, uncontrolled-access, secondary highway in central Prince Edward Island. Its western terminus is at Route 1 in Southport and its eastern terminus is at Route 323 in Fanning Brook. The route is in Queens and Kings counties.