No Through Road For Vehicular Traffic Sign Post Mounted - Diagram 816 R2/RA2 (Face Only)This post mounted sign is used to inform drivers that a street is a dead end to motor vehicles. It can be used in conjunction with a supplementary plate stating Except Cycles as the street may have cycle access. This sign is sometimes known as a Dead End road sign. You will often see this sign on cul de sacs and other small residential streets. We also carry this sign in variations indicating the no through road is on a side street under diagram