Current
Core Supplement
Traffic Advisory Leaflet
Covers the positioning dilemmas encountered when placing signal controls at high speed junctions, centring on the difficult area of stopping space known as the dilemma zone. This is defined by the boundaries of: The distance at which 10% of drivers stop when the signals change to amber, and The distance at which 90% of drivers stop when the signals change to amber.
The Department for Transport is a UK Government department that provides leadership across the transport sector to achieve its objectives, working with regional, local and private sector partners to deliver many of the services. These activities were formerly carried out by the Department for Transport, Local Government and the Regions.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.