Tertiary Highways in Ontario

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a tertiary highway shield


tertiary roads connect regions in northern ontario not served secondary highways. legally, road has same meaning highway. these roads numbered 801 811, , marked simple rectangular marker rounded corners bearing number of highway , word ontario .


most of these roads gravel-surfaced , low-standard. speed limit on these routes 80 km/h (50 mph), although design standards override such.


the ministry of transportation introduced tertiary road system in 1962. these roads resource access roads built remote areas in northern ontario. these roads constructed in small numbers, , 1 exception (highway 802), not end @ settlement. of these tertiary roads later upgraded , rebuilt secondary highway standards. @ present, there 6 tertiary roads in ontario. gravel roads, except hwy 802 , hwy 805, both have paved sections.








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