One Way Arrow Left Signs
One-Way Arrow Left signs direct vehicle flow left only. Available in RA1/RA2 reflective road-sign materials compliant with BS EN 12899-1:2001. Fixings sold separately — ideal for car parks, service roads and site one-way systems.
One-Way Arrow Left Signs are essential traffic direction signs that tell vehicles to proceed left on one-way systems. Manufactured in BS EN 12899-1:2001 compliant RA1/RA2 materials and sized 450×600 mm, they help manage traffic flow on roads, car parks and controlled sites.
Install One-Way Arrow Left signs at the start of one-way traffic systems, junctions and site routes to guide vehicles leftward only. These signs are ideal for car parks, industrial sites, service roads, campuses and private roads where traffic flow must be controlled. For best visibility, place signs at driver eye level before the direction change.
- Sign Type One-Way Arrow Left
- Sign message One-way traffic flow left
- Size (H x W) 450 x 600 mm
- Orientation Landscape
- Shape Rectangle
- Display area Outdoor
- High visibility directional sign
- Material Class RA1 rigid plastic
- Material Class RA1 aluminium
- Material Class RA2 aluminium
- Material Class RA1 aluminium extra tough
- Reflective for improved visibility
- Suitable for road and site traffic control
- Professional direction signage for traffic flow
- Traffic signs comply with BS EN 12899-1:2001
- Fixings Clips, clamps, posts (sold separately)
- Ideal for one-way routes
- Designed for permanent outdoor installation
- Weather-resistant traffic sign construction
- View the complete range of road traffic signs
- See the range of keep left traffic signs
- ❌ Placing the sign after the junction instead of before
- ❌ Installing too low where vehicle sight lines are reduced
- ❌ Using non-reflective versions where night traffic is common
- ❌ Not for two-way traffic flow areas
- ❌ Not suitable for inner-site pedestrian zones only
- ❌ Avoid where there’s no defined one-way route
- ✅ Mount at driver eye level before the one-way system starts
- ✅ Use RA2 reflective material for high-visibility applications
- ✅ Pair with road surface arrows for reinforced messaging
What are One-Way Arrow Left signs? One-Way Arrow Left signs are mandatory directional traffic signs used to tell drivers that they must travel leftward only on a one-way route.
Where can these signs be installed? They are suitable for car parks, service roads, industrial sites, campuses, private roads and any controlled traffic flow environment where a left direction is enforced.
What materials are available? Options include RA1 rigid plastic, RA1 aluminium, RA1 extra tough aluminium and RA2 reflective aluminium for improved visibility.
Do these signs meet UK traffic standards? Yes, they comply with BS EN 12899-1:2001, the recognised UK standard for fixed vertical road traffic signs and reflectivity grades.
Are fixings included? No, clips, clamps, fixings and posts are sold separately so you can choose the appropriate mounting solution for your location.
- ✓ Directional one-way arrow left
- ✓ Size 450×600 mm for clear visibility
- ✓ Material options: RA1 rigid plastic, RA1 aluminium
- ✓ High-visibility RA2 reflective aluminium option
- ✓ Complies with BS EN 12899-1:2001 traffic sign standards
- ✓ Designed for road and site traffic control
- ✓ Guides vehicles safely along one-way systems
- ✓ High reflectivity improves night and low-light visibility
- ✓ Durable outdoor performance for long-term use
- ✓ Multiple materials to suit environment and budget
- ✓ Professional traffic signage boosts compliance
- ✓ Ideal for car parks, roads, yards and campuses