Rules of the Road
What is the maximum speed limit on most Ontario 400-series highways unless posted otherwise?
- ○120 km/h
- ○110 km/h
- ✓100 km/h
- ○80 km/h
Correct answer
100 km/h
The default maximum on 400-series highways is 100 km/h unless a higher posted limit (e.g. 110) applies.
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