In rural areas, a TC-1A sign must be added at a distance of 1 km in advance of the work zone. TC-101A must be used on roadways with more than two lanes, and posted limits of 70 km/h or higher.
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In rural areas, a TC-1A sign must be added at a distance of 1 km in advance of the work zone. TC-101A must be used on roadways with more than two lanes, and posted limits of 70 km/h or higher.