Passages in the central resetVes of mot01ways are intendedfor redirection of traffic during planned special maintenance ofmotorways and in accident situations. as well as for the requirementsof emergency vehicles (ambulance. fire-brigade. police). https://www.spidertattooz.com/Kaiser-Copy-Stand-RS-1-with-RA-1-Arm-40-Counterbalanced-Column-and-18-x-20-Baseboard/