The End of Dual Roadway (straight on) road sign (W117) is a W Series road layout warning sign used to alert drivers that a dual carriageway arrangement is ending ahead, with traffic converging back into fewer lanes. It provides advance warning of a lane reduction and merge condition.
Purpose and function
This sign warns drivers to prepare for the end of the dual roadway and to adjust speed and positioning to merge safely. It reduces the likelihood of sudden lane changes, conflict, and braking at the taper.
Typical applications
- Dual carriageway to single carriageway transitions
- Lane drops on arterial routes and rural highways
- Temporary transitions where lanes are removed for works
Temporary alternative
Commonly used with
Explainer guide
Materials and ordering notes
- 1.2 mm Chromadek steel with Class 1 retro reflective sign face
- 1200 mm size includes unistruts
- Poles, clamps, nuts and bolts are not included
- 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
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