STREETSCAPE GUIDANCE

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HOME INTRODUCTION PART A A vision for London’s streets PART B From strategy to delivery PART C New measures for new challenges PART D Balancing priorities PART F Appendix PART E Physical design and materials SECTION 6 Introduction SECTION 7 High quality footways SECTION 8 Carriageways SECTION 9 Crossings SECTION 10 Kerbside activity SECTION 11 Footway amenities SECTION 12 Safety and functionality SECTION 13 Street environment SECTION 14 Transport interchanges Streetscape Guidance 9.5 Traffic signals and controller cabinets Streetscape issues Traffic signals and poles can add unnecessary clutter to the streetscape. In addition, signal controller cabinets and associated equipment can create obstructions on the footway. Any redundant equipment must be removed and the footway reinstated to match the surrounding surfacing. While ensuring any design is fully compliant with signal design standards, design teams should undertake a streetscape review to ensure that junctions and crossings also conform to current best practice in relation to urban design and accessibility. This should include a priority to reduce street clutter by minimising the number of poles used to deliver a signal scheme, for instance by mounting signal heads on street light columns or by combining multiple signal heads on one pole. The design and placement of controller cabinets should be in accordance with section 12.7. Figure 161: Traffic signal for toucan crossing [Part E – Physical design and materials] Crossings 164 Design • Traffic signals must be designed in accordance with TSRGD • Traffic control systems must be designed in accordance with the specification TR2500 • Design should consider good practice standards outlined in LTN 1/98 The Installation of Traffic Signals and Associated Equipment • The effective design and layout of signals requires an understanding of a number of interrelated factors including the road context and proximity to any junctions, traffic and pedestrian flows, existing desire lines, traffic speeds and road safety issues
HOME INTRODUCTION PART A A vision for London’s streets PART B From strategy to delivery PART C New measures for new challenges PART D Balancing priorities PART F Appendix PART E Physical design and materials SECTION 6 Introduction SECTION 7 High quality footways SECTION 8 Carriageways SECTION 9 Crossings SECTION 10 Kerbside activity SECTION 11 Footway amenities SECTION 12 Safety and functionality SECTION 13 Street environment SECTION 14 Transport interchanges Streetscape Guidance • TfL is the traffic authority for traffic signals across London, including the Strategic Road Network and roads which are managed by the local highway authority. The Traffic Infrastructure (TI) team within our Surface Asset Management is responsible for the design, installation, commissioning, maintenance and decommissioning of traffic signals and associated equipment • Streetscape Guidance encourages design teams involved in any new or modification of existing signals, to work closely with the TI team to ensure that the scheme will function safely, while minimising the adverse visual and physical impact on the streetscape • Backing boards are not normally fitted to signal heads in London, except on TLRN roads with speed limits greater than 30mph. They may also be considered in exceptional circumstances when a visibility issue has been raised, such as on east-west road alignments where the sun can impact on drivers’ vision, or if surrounding street lighting creates additional glare or by an engineer’s judgement • High six metre poles with additional signal heads may be used where there is a clear design need or a safety issue Figure 162: Trixi mirrors are used by motorists at junctions to detect cyclists in their blind spot [Part E – Physical design and materials] Crossings 165
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STREETSCAPE GUIDANCE

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