Drivers are being asked to kill their speed as mobile speed cameras will be out and about in the area from Monday.
The cameras will be in force across roads in Doncaster, Barnsley and Rotherham.
Roads covered in Doncaster are A18 Epworth Road, Slay Pits to Tudworth, A18 Carr House Road, A6023 Doncaster Road, Mexborough, A614 Selby Road, Thorne, A630 Balby Flyover to Hill Top, A630 Wheatley Hall Road, A638 Bawtry Road, A638 Great North Road, York Road, and Broomhouse Lane, Springwell Lane, Edlington and Warmsworth.
Other roads covered include C762 Old Road, Conisborough, Hatfield Lane, Mill Street, Melton Road, Sprotbrough Road, Nutwell Lane, Station Road, Stainforth, Thorne Road, and Urban Road.
Roads covered in Rotherham district include A6022 Rowms Lane, Swinton, A633 Sandygate, Wath upon Dearne, Kilnhurst Road, Rawmarsh, and Pontefract Road, Brampton.