Infrastructure

General Principles of Traffic Control by Light Signals - TAL 1/06

Publisher: 
Department for Transport
Publication date: 
March 2006
Abstract: 

The primary purpose of traffic control by light signals is to separate conflicting traffic by the division of time, within the available road space, in a safe, efficient and equitable manner. The term “traffic” includes all road users: vehicles, (including cycles), pedestrians and equestrians. Conflict at a junction is manifested as an increase in delay and/or accident rate.

At a signal-controlled junction, vehicular traffic is permitted to flow in a strictly controlled manner. The traffic flows, available road space, layout and stage

Typical Costs of Cycling Interventions: Interim analysis of Cycle City Ambition schemes

Publisher: 
Transport for Quality of Life (for the DfT
Publication date: 
September 2018
Abstract: 

This document provides a summary of typical costs of cycling interventions and the factors that affect them, drawn from expenditure during delivery of Phase 1 of the Cycle City Ambition (CCA) programme.

Sustainable Safety in the Netherlands: the vision, the implementation and the safety effects

Publisher: 
SWOV
Publication date: 
June 2005
Abstract: 

Human errors play a vital role in road crashes. This paper deals with the prevention of human errors by proper road planning, road design and improving existing roads within the framework of the Dutch 'Sustainable Safety' vision. This vision focuses on three design principles for road networks and for roads and streets: functionality, homogeneity, and predictability. A minimum safety level should be defined and agreed upon by all road authorities, national, regional, and local.

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