Route information | ||||
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Maintained by CTDOT | ||||
Length | 6.85 mi[1] (11.02 km) | |||
Existed | 1963–present | |||
Major junctions | ||||
West end | Route 8 / Route 67 in Seymour | |||
East end | Route 243 in Woodbridge | |||
Location | ||||
Country | United States | |||
State | Connecticut | |||
Counties | New Haven | |||
Highway system | ||||
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Route 313 is a Connecticut state highway in the outer northwestern New Haven suburbs, running from Seymour to Woodbridge.