The site locations – in place until May 5 – are provided by Casualty Reduction Enforcement Support Team.
1. B6051 Newbold Road, Chesterfield
Between High Field Lane and Newbold Drive, speed limit 30mph Photo: Google
2. B6057 Sheffield Road, Stonegravels
Between Hardwick Street and Old Sycamore Place, speed limit 30mph Photo: Google
3. Boythorpe Road, Chesterfield
Between Hunloke Avenue and Boythorpe Avenue, speed limit 30mph Photo: Google
4. A632 Matlock Road, Walton
Near Walton Back Lane, speed limit 40 mph Photo: Google