30km/h (20mph) speed limit in cities and public transport Introduction The UITP Bus Committee and Transport and Urban Life Committee are collecting use cases from cities that have implemented restrictive traffic speed limits (e.g., 30 km/h or 20 mph) as part of traffic-calming policies, which may have affected surface public transport (bus, tram, BRT) either positively or negatively.The objective is to: understand how these measures impact commercial speed and operations identify methodologies used for forecasting and evaluation collect lessons learned and mitigation practices identify experts willing to contribute to a UITP discussion Thank you very much in advance for your support Next