Wellbeing appraisal for Low Traffic Neighbourhoods. Underpinning evidence and assumptions

Low Traffic Neighbourhoods (LTNs) are a series of measures to reduce traffic volumes and increase active modes of travel in residential areas. They typically restrict cars from certain streets and can include bollards or planters to redirect cars, as well as cameras to monitor and enforce restrictions. In some areas their implementation is controversial, with outspoken opposition. Evidence suggests they can increase wellbeing mainly through active travel and improvements in physical health, but evidence also points to a reduction in injuries, an improvement in neighbourhood interactions and improvement in air quality in the neighbourhood. Wellbeing losses are likely to come from increases in driving time as well as feelings of restriction. This paper evaluates whether, given these pros and cons, they offer good value for money.