The tables below constitute a synthesis of the evaluations of traffic-calming interventions included in our literature review, including our comments.a Readers will find here a synthesis of each study (research questions, methodology, results), along with a column containing remarks about the conceptual validity, the internal validity and/or the reliability of each one. Although they are presented individually, the studies are grouped into three broad intervention categories: those evaluating individual traffic-calming measures (when these are not explicitly identified as part of an area-wide intervention); those evaluating a series of measures installed on a single road; and those evaluating a series of measures in a geographic area including more than one road (whether they were...