A speed limit posted on a curve

A Could be too fast to be driven in a double or triple

Explaination

A posted speed on a curve may be safe to be driven when operating a straight truck or a single-trailer combination but unsafe to be driven in a double or triple. more

B Is likely acceptable to be driven in a double or triple

C Is the minimum speed that should be driven in a double or triple

D Should be increased when driving a double or triple

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