- Southern Terminus:
- Connecticut Turnpike (I-95) in Stamford
- Northern Terminus:
- Tresser Boulevard (US 1) and Washington Boulevard (CT 137) in Stamford
- 0.34 miles
SSR 493 is a short section of Washington Boulevard in Stamford. It begins at the Connecticut Turnpike (I-95) and ends a few blocks to the north at Tresser Boulevard (US 1). Washington Boulevard continues to north of US 1 as CT 137 and south of I-95 as a local street. SSR 493 is marked as if it were part of CT 137, although CT 137 officially has its southern terminus at US 1.