12A/12B – For static temporary traffic management on motorways and high speed dual carriageways including on-line widening schemes. Static temporary traffic management on motorways and high speed dual carriageways. Static temporary traffic management on motorways and high speed dual carriageways for schemes not incorporating contra flow operations and/or temporary road markings (12B)for schemes incorporating contra flow operations and/or temporary road markings (12A). Static temporary traffic management on motorways and high speed dual carriageways for schemes not incorporating contra flow operations and/or temporary road markings (12B).
12D – For the installation, maintenance and removing of temporary traffic management on rural and urban roads in the following categories: Static works, static works plus dual carriageways, static works plus convoy working, static works plus multiphase traffic signals.