{HEAD ~ The two transverse guide bars} of {TAIL ~ the opposite roadway}, which can be used for exiting, end at a mutually equal level 
of
{ HEAD ~ The two transverse guide bars } of { TAIL ~ the opposite roadway } , which can be used for exiting , end at a mutually equal level
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH