Pointsman and Traffic cop

Pointsman noun - A policeman stationed at an intersection to direct traffic.

Traffic cop and pointsman are semantically related. In some cases you can use "Traffic cop" instead a noun "Pointsman".

Traffic cop noun - A policeman who controls the flow of automobile traffic.

Pointsman and traffic cop are semantically related. Sometimes you can replace term "Pointsman" with "Traffic cop", this terms are similar.