The Ban is Unenforceable  This is especially true of hands-free phones, where accused motorists could simply claim to be singing along to the radio or talking to themselves. In any case, the widespread introduction of speed cameras in many countries, and an increased public fear of violent crime have led to the redeployment of the traffic police who would be needed to enforce such laws. [1]  [1] Miller, Craig. “Laws Limiting Car-Phone use Tough to Enforce.” NPR. 08/2007