If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
The Department for Transport commissioned this study to investigate options for traffic signals during periods of low demand that could:
reduce unnecessary delays to traffic, hence minimising overall vehicle delays and emissions
reduce the energy consumption of signal installations
maintain or enhance levels of safety, especially for vulnerable road users