Chapter 8 Signing and Guarding

Chapter 8 of the Traffic Signs Manual sets the standards for temporary traffic management on UK roads and motorways.
Chapter 8 Part 1 covers signing and guarding on roads other than motorways and dual carriageways.
Chapter 8 Part 2 covers signing and guarding on motorways, dual carriageways, and other high-speed roads.
Correct sign placement, spacing, and visibility are essential — drivers must be warned well in advance of the works.
Cones must be the correct height for the road speed and spaced according to the taper and lateral safety zone requirements.
A safety zone separates the traffic from the work area — its width depends on the speed limit and road type.
All operatives installing Chapter 8 signing must hold the relevant sector scheme qualification for the road type.
Signing layouts must be designed by a competent person and approved before installation on the public highway.
Vehicle-mounted signs, arrow boards, and impact protection vehicles are required on high-speed roads.
Regular checks of the signing layout during the shift are essential — displaced cones and damaged signs must be replaced immediately.

Protect workers	Chapter 8 layouts create a physical safety zone between live traffic and the work area — correct installation saves lives.
Protect the public	Clear, well-positioned signs warn drivers in advance, reducing the risk of vehicles entering the work area at speed.
Legal compliance	The Safety at Street Works Code of Practice and Chapter 8 are legal standards — non-compliance leads to prosecution.

Do

Don't

Ensure signing layouts are designed by a competent person and approved before installation.
Hold the correct sector scheme qualification for the road type before placing any signs.
Place signs at the correct distances and heights for the speed limit of the road.
Install cones at the correct size and spacing for the taper and safety zone required.
Maintain the required safety zone width between live traffic and the working area.
Use vehicle-mounted signs and IPVs as required on high-speed and dual carriageway roads.
Check the signing layout regularly throughout the shift for displaced or damaged equipment.
Replace any cone, sign, or barrier that has been knocked over by passing traffic immediately.
Wear Class 3 high-visibility clothing during all signing installation and removal.
Remove signing in the correct sequence when works are complete to avoid confusing drivers.

DON'T install Chapter 8 layouts without a competent design and formal approval.
DON'T place signs or cones on highways without the required sector scheme qualification.
DON'T position signs too close to the works — drivers need adequate advance warning distance.
DON'T use undersized cones or incorrect spacing — they fail to protect the safety zone.
DON'T reduce the safety zone width to gain extra working space — it protects your life.
DON'T work on high-speed roads without vehicle-mounted signs and impact protection vehicles.
DON'T leave displaced or damaged signing in place — repair or replace it immediately.
DON'T ignore missing cones in the taper — a gap allows vehicles into the work area.
DON'T work on signing installation without Class 3 high-visibility clothing at all times.
DON'T remove signs in the wrong sequence — follow the designed removal procedure precisely.

See also: Highway Works Safety Awareness | Working in Live Carriageways

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