Map of New Haven County in southern Connecticut with Route 313 highlighted in red | ||||
Route information | ||||
Maintained by CTDOT | ||||
Length | 6.85 mi[1] (11.02 km) | |||
Existed | 1963–present | |||
Major junctions | ||||
North end | ![]() | |||
South end | ![]() | |||
Location | ||||
Country | United States | |||
State | Connecticut | |||
Counties | New Haven | |||
Highway system | ||||
| ||||
|
Route 313 is a Connecticut state highway in the outer northwestern New Haven suburbs, running from Seymour to Woodbridge.