A width of 5.0m will normally accommodate two way traffic. Where the side road is lightly trafficked this could be reduced to 4.6m in some cases. Where regular access is required by large vehicles it will not normally be appropriate to reduce the width below 5.5m. At times, greater widths may be necessary, especially if the narrowing is sited where vehicles are still turning whilst passing through it. Pedestrians Entry treatments can provide improved side road crossing facilities for pedestrians.
Build outs reduce the width of road which pedestrians have to cross.
Flat top road humps, raised to the level of the footway, provide a level crossing facility. The use of kerb upstands at crossing points should be avoided. An upstand of more than 6mm may interfere with the movement of people in wheelchairs. Where the width of the carriageway is maintained over the entry treatment, pedestrian refuges can be provided to assist crossing movements. Cyclists Where a road hump is installed as part of an entry treatment, concern has been expressed that the safety of left turning cyclists and motorcyclists can be compromised if they are required to negotiate the hump at an angle.