The Bus Lane Reservation road sign (R303) is an R300 Series reservation sign used to reserve a lane or portion of the carriageway for buses. It is used to reinforce bus-only movement in a designated lane and prevent interference from other traffic.
Purpose and function
This sign communicates that the signed lane is reserved for bus use. It supports predictable lane discipline and reduces conflicts in congested corridors.
Typical applications
- CBD and urban arterial routes with bus priority measures
- Approaches to terminals, stations, and interchanges
- Bus corridors where lane discipline is essential for service reliability
Temporary counterpart
A temporary equivalent may be used during construction or temporary diversions. If you require a temporary solution, enquire about the temporary equivalent where applicable.
Commonly used with
- Bus Lane Reservation road sign (R302)
- Bus Reservation road sign (R301)
- Bus Parking road sign (R301-P)
Explainer guide
For the full context on reservation signs, see our R300 Series Reservation road signs explainer.
Materials and ordering notes
- Permanent road sign supplied on 1.2 mm Chromadek steel
- Class 1 retro reflective sign face
- Poles, clamps, nuts and bolts are not included, email us if you require a quote
- Please confirm stock availability when ordering road signs
- Remember to order the correct size clamps for the poles you will be using if ordering unistruts on your road signs
Driver action
- If you are not driving a bus, do not use the reserved lane where the restriction applies
- Comply with supporting road markings and any supplementary information plates where present
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