Has issuing clear government advice to the civilian population typically been enough to secure compliance, or has strict enforcement by the police been a necessity?

It can be preserved only through the strict enforcement of rules that apply equally to everyone.

Many motorists considered it a speed trap due to the strict enforcement by police of the abruptly reduced speed limit through town.

Opponents claimed that it was doubtful whether strict enforcement of these regulations would reduce driver fatigue since they were not based on scientific evidence.

Ward was known for his strict enforcement of saloon regulations, which he considered a better alternative than strict prohibition.