Why should you be extra cautious about skid risk on bridges and overpasses in cold weather?
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Correct answer to question 64 (Combination Vehicles): Bridges and overpasses can freeze before the rest of the road because cold air circulates both above and below the surface
Why
Because air passes both above and below a bridge deck, it loses heat faster than a road surface sitting on the ground, so ice can form there while the rest of the highway still looks wet.
Updated: November 2026