Blue Car Park Exit Sign (Without Arrow) Post Mounted R2/RA2This post mounted car park exit sign is perfect for clearly marking out the exit of a car park, which is especially useful in car parks with a one way system. We have a selection of exit signs available including a range with arrows to give directions. These signs are normally placed on either side of the exit and are most commonly seen in car parks at hospitals, petrol stations and factories. To accompany these signs Entrance signs are normally used