TRF/Site Traffic/TBT-TRF-020
One-Way Traffic Systems on Site
Traffic Management › Site Traffic › One-Way Traffic Systems on Site
Toolbox Talk
One-Way Traffic Systems on Site
One-way traffic systems reduce the risk of head-on collisions between vehicles on construction sites. Poorly managed site traffic is a leading cause of fatalities in the UK construction industry. Every operative must understand how one-way routes work, where they apply, and what to do when routes change. This talk covers the key principles of one-way site traffic management.
Key Hazards
Head-on collision between vehicles on narrow haul roads
Pedestrians struck by vehicles travelling in unexpected directions
Confusion at junctions where signage is missing or unclear
Vehicles reversing against the one-way traffic flow
Control Measures
- Establish clearly signed one-way routes using directional arrows and signage at all entry and exit points.
- Segregate pedestrian walkways from vehicle routes with physical barriers where practicable.
- Brief all drivers and operatives on the current traffic management plan before starting work.
- Install speed reduction measures such as chicanes and speed bumps at key turning points.
- Use banksmen at blind junctions and areas where visibility is restricted.
- Review and update the traffic management plan whenever site layout changes.
- Ensure adequate lighting on all one-way routes, especially during winter months and night shifts.
- Prohibit reversing except in designated turning areas with banksman control.
- Display the current site traffic plan on notice boards and at site entrances.
Remember
- One-way systems prevent head-on collisions and keep site traffic flowing safely
- Always follow the signed route even if a shortcut seems quicker
- Report any missing or damaged traffic signs to your supervisor immediately
- Pedestrians must use designated walkways and never walk along vehicle routes
- Reversing is only permitted in designated areas with banksman assistance
- Check the traffic plan daily because routes may change as work progresses
Applicable Legislation: Health and Safety at Work etc. Act 1974 · Workplace (Health, Safety and Welfare) Regulations 1992 · CDM 2015 · HSG144 Safe Use of Vehicles on Construction Sites
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