West Yorkshire Police say their vehicles can be in place at any time of day, 7 days a week, and are "highly visible and do not operate covertly".
These locations are accurate at the time of publication, but are subject to alteration without further notice.
**Photos are for illustrative purposes and do not represent exact locations.**
5. 30mph Featherstone
A645 Pontefract Road, Featherstone - between Station Lane and Houndhill Lane.
6. 30mph Thornes Road
B6475 Thornes Road, Wakefield - between Denby Dale Road and Gill Sike Road.
7. 40mph Featherstone
A645 Wakefield Road, Featherstone - between Common Side Lane and 202m East of Hillcrest Avenue (30 MPH Signs).
8. 50mph Ossett
A638 Ossett Bypass, Ossett - between M1 Junction 40 and Owl Lane.