The Connecting Link program is a provincial subsidy provided to municipalities to assist with road construction, maintenance and repairs in the Canadian province of Ontario.
Roads which are designated as connecting links form the portions of provincial highways through built-up communities which are not owned by the Ministry of Transportation (MTO).
While the road is under local control and can be modified to their needs, extensions and traffic signals require the approval of the MTO to be constructed.
Some connecting links (typically in cases of municipal streets urbanized before the provincial highway system was established), however, were never provincial-maintained highways at all, but rather local streets or even county or regional roads that the town, city, county, or region has assistance in maintaining.
Most connecting links are busy municipal or county roads that were once provincial highways, and are designated by small yellow squares or diamonds with the text "C/L" or "CL" on them at their start and end termini.