Specifying access routes is more than just laying tarmacadam. You need to hit...

https://wiki-room.win/index.php/Weather-Proofing_Your_Procurement:_Using_Met_Office_Data_to_Plan_Line_Marking_Installs

Specifying access routes is more than just laying tarmacadam. You need to hit those Part M accessibility requirements while ensuring your markings stay visible under typical British weather