Before traffic lights traffic police controlled the flow of traffic, a well-documented example being that on London Bridge in 1722.
A well-documented example is that on London Bridge in 1722. Before traffic lights, traffic police controlled the flow of traffic.
Before traffic lights, traffic police controlled the flow of traffic. A well-documented example is that on London Bridge in 1722.
Before traffic lights, traffic police controlled the flow of traffic. A well-documented example is that on London Bridge in 1722.