Page:UK Traffic Signs Manual - Chapter 8 - Part 1 (Traffic Safety Measures and Signs for Road). Designs 2009.pdf/50

 NOTES: 49
 * 1) Minimum lateral clearance increased from 0.5 m to 1.2 m if speed restriction on the crossing road is 50mph or more.
 * 2) Detail B — the size of cones is dependent on the speed limit on the crossing road.
 * 3) Appropriate advance warning signs should be placed on the cross arms of the junction.