King's Highway 3, commonly referred to as
Highway 3, is a
provincially maintained highway in the
Canadian province of Ontario which travels parallel to the northern shoreline of
Lake Erie. It has three segments, the first of which travels from the
Ambassador Bridge in
Windsor to
Highway 77 in
Leamington. The second portion begins at
Talbotville Royal outside of
St. Thomas at
Highway 4, and travels to the western city limits of
Port Colborne. The road is regionally maintained within Port Colborne as Niagara Regional Road 3, but regains its provincial designation at
Highway 140. Its third and final terminus is at
Edgewood Park, within the
Fort Erie town limits. From there, the road continues as Niagara Regional Road 3 to the
Peace Bridge, where drivers can cross to the
United States. The total length of Highway 3 is , consisting of from Windsor to Leamington, from Talbotville Royal to Port Colborne and from Port Colborne to Edgewood Park.