Buses Only road sign (R121) Wet concrete safety sign or site vehicles

or site vehicles

or where sight distance is limited

It helps prevent serious injury through exposure

Correct selection and placement should form part of your site safety planning and risk controls

Yield to traffic circulating within the traffic circle

Buses Only road sign (R121) Wet concrete safety sign or site vehiclesThe Buses Only road sign (R121) is a regulatory command sign used to indicate that only buses are permitted to proceed beyond the sign or use the marked lane or route. Purpose and function This sign reserves access for bus operations, improving public transport flow and reducing delays caused by mixed traffic. It also supports safer passenger movement around bus corridors and interchanges. Typical applications Dedicated bus lanes and bus priority