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This page lists all of thenumberedcounty roads inWellington County, Ontario,Canada.

In the late 1990s, when the provincial governmentdownloaded many portions of Ontario highways to the municipalities, Wellington County became responsible for portions of former highways9,23,24 and25. These are now named 109, 123, 124 and 125 respectively. Currently, five provincial highways run throughWellington County. These are highways6,7,9,23, and89.

Road numbers in Wellington County mainly follow a system in which the numbers correspond to the township in which the road has its county terminus. Roads 1-6 are inMinto; 7-12 inMapleton; 14-16 inWellington North; 17-21 inCentre Wellington; 22-26 inErin; 27-29 in formerEramosa Township (now a part ofGuelph-Eramosa); and 30-41 in formerGuelph Township (also now a part ofGuelph-Eramosa) andPuslinch, many of which are roads that originate in theCity of Guelph. Highways 86 and 87 are named for the county road of the same name that continue past the boundaries ofWaterloo Region andHuron County respectively. Highway 46 is the former routing ofHighway 6 before the highway was rerouted along theHanlon Parkway. All other roads were numbered after this system was put into place, and are mostly very short routes connecting villages or other points of interest to the main county road system.

• Lists of Ontario county roads
• Roads in Wellington County, Ontario

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