A new book by Alastair Gollop, senior ITS consultant at Mott McDonald, Traffic Signals, offers a comprehensive guide to traffic signals from first principles and design issues to equipment and testing, commissioning and assessments. In addition, there are sections covering the history and future of signals. Although based on equipment and operating systems utilised in the UK, the principles covered are relevant to users worldwide.
Aimed at anyone interested by traffic signals, Gollop says the book assume