Traffic signs manual: Chapter 5: Road markings

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Traffic signs manual: Chapter 5: Road markings

Traffic signs manual: Chapter 5: Road markings

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The traffic signs manual gives guidance on the use of traffic signs and road markings prescribed by the Traffic Signs Regulations and covers England, Wales, Scotland and Northern Ireland. Revised editions of the manual will be published here as they are released. Crossings on major roads should be located away from conflict points at uncontrolled junctions. The controlled area may extend across the mouth of a side road but it should never stop between the two projected kerb lines of the minor road. If this would otherwise occur, the zig-zag lines should be extended to the projection of the far kerb line of the side road. The Pedestrian Crossings Regulations do not permit the use of central hatched or chevron markings within the controlled area of zebra crossings. Such markings may be used between a central double row of zig zags with Pelican, Puffin and Toucan crossings only in the following circumstances: Additional traffic joining from left ahead. Traffic on main carriageway has priority over joining traffic from right hand lane of slip road

The carriageway markings used to indicate the presence of these crossings (see figure 15-2) and their controlled areas are: Warning signs are used to alert drivers to potential danger ahead. They indicate a need for special caution by road users and may require a reduction in speed or some other manoeuvre. This reprinted edition includes 4 minor amendments and addition of Appendix A, note 7. Chapter 5 road markings (ISBN 9780115524790) ii) diagram 1040.2 must be used on the approach to a staggered crossing (Schedule 4, Part I, para 3(3)). Traffic lights and crossings are a key tool in managing traffic. This chapter provides technical advice on designing traffic light junctions, crossings, and other types of traffic control. It supersedes the advice given in a range of traffic advisory leaflets and local transport notes. Chapter 7 the design of traffic signs (ISBN 9780115524806)At Zebra crossings, a longitudinal zig-zag line should be laid on each side of the carriageway, with another in the centre. On carriageways up to 6 m in width, the latter may be replaced with a warning line to diagram 1004. On carriageways more than 6 m wide, a zig-zag line is always used as the centre line. On multi-lane approaches, the lane lines should also be replaced with zig-zag markings. Where there is a pedestrian refuge, a double row of zig-zag markings should be used in the centre. Markings for Zebra, Pelican and Puffin crossings are prescribed in the Zebra, Pelican and Puffin Pedestrian Crossings Regulations and General Directions 1997 (the Pedestrian Crossings Regulations). Toucan and equestrian crossings are marked using diagrams 1001.3, 1055.1 and 1055.2 prescribed in the Traffic Signs Regulations and General Directions 2002. More detailed guidance on the provision of pedestrian crossings can be found in Local Transport Notes 1 / 95 ( ISBN 0-11-551625-5) and 2 / 95 ( ISBN 0-11-551626-3). The Pedestrian Crossings Regulations permit markings to diagrams 1029 (see paras 22.26 to 22.28 and diagram 6 in Schedule 4 of the Pedestrian Crossings Regulations) and 1062 to be used at or near a crossing. The use of diagram 1062 is described in paras 21.7 to 21.16. No other marking may be used within the controlled area, except hatched and chevron markings in the circumstances described in para 15.26. Crossings should normally be positioned at right angles to the carriageway edge. Where this is impracticable, the Give Way or Stop line should as far as possible be at a right angle to the kerb, even if it is then not parallel to the edge of the crossing. This ensures that drivers do not violate the overtaking prohibition when stopping at the line alongside other vehicles. Crossings on minor roads close to junctions will tend to restrict the layout of the controlled area markings. To preserve the effectiveness of a junction Give Way or Stop line, the terminal line of the zig-zag markings should not normally be less than 1 m from it. This distance may be reduced to 500 mm if necessary to enable the minimum pattern of markings to be laid. The controlled area should never extend beyond the nearer kerb line of the major road. It should be the aim to provide room for at least one vehicle turning into the minor road to wait at the

On dual carriageway roads and one-way streets, at least the standard pattern of eight 2 m marks should be laid on both sides of the crossing wherever possible (see also para 15.17). Where a length in the first column is common to two recommended numbers of marks, the lower number should be adopted.

IHE Membership

The length indicated in the first column consists of the controlled area detailed on figures 15-1 and 15-2, excluding the distance between the Stop or Give Way line and the limit of the crossing.

The most trusted BIM Library in the UK, certified to the internationally-recognised NBS BIM Object Standard ii) they must be either square or circular in shape. The sides of square or the diameter of circular studs must be not less than 95 mm nor more than 110 mm, Introduction and an outline of the historical, functional and design aspects of signs. The chapter includes sections dealing with the positioning and mounting of signs. Chapter 2 (in draft) informatory signs Chapter 2 is currently a work in progress. It will contain advice on the design and use of directional signs, and also other informatory signs such as home zone signs. Due to the amount of work required to complete chapter 2, it is intended that interim advice on individual topics will be made available as and when completed.iv) centres of studs in the same line must not be less than 250 mm apart nor more than 715 mm at a Zebra crossing, and not less than 500 mm nor more than 720 mm for other crossings. The centre of the nearest stud must be no more than 1300 mm from the edge of the carriageway, and For controlled area lengths between 2.750 m and 17.585 m, the appropriate number of zig-zag marks should be determined from table 15-1. The longitudinal limit of each mark (X in figure 15-3) is obtained from the formula X = L - 350 - Y - 150 N / N where L = the overall length available for marking, Y = the width of the Give Way or Stop line and N = the number of marks required from table 15-1 (all dimensions in millimetres). Zig-zag markings are used at Zebra, Pelican, Puffin, Toucan and equestrian crossings, the standard pattern comprising eight 2 m marks. They must not be used at crossings at signalled road junctions. The controlled area over which the Regulations apply extends from the limit of the crossing up to and including the terminal line. The length between the Give Way or Stop line and the terminal line is marked with zig-zags (see figures 15-1 and 15-2). The Stop line to diagram 1001 indicates the position where traffic must stop when signalled to do so (see also para 3.7). The Stop line must be placed at least 1.7 m and normally not more than 3 m from the studs. This distance may be extended to a maximum of 10 m if necessary (Schedule 4 para 5(3) of the Pedestrian Crossings Regulations). On two-way roads the Stop line extends from the edge to the centre line, and on one-way roads across the full width. i) diagram 1040 may be used on the approach to a central reservation (including pedestrian refuge) of a single crossing in a two-way road (Schedule 4, Part I, para 3(2) of the Pedestrian Crossings Regulations), and diagram 1041 in a oneway road (para 4(2)), and



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