1. AASHTO (American Association of State Highway Transportation Officials). 2011. A Policy on Geometric Design of Highways and Streets, 6th Ed. https://bookstore.transportation.org/collection_detail.aspx?ID=110.
2. "A Field Evaluation Case Study of the Environmental and Energy Impacts of Traffic Calming;Ahn;" Transportation Research Part D,2009
3. Alcaldía Mayor de Bogotá. 2019. Programa de Gestión de Velocidad. Documento Base, 2019. https://www.movilidadbogota.gov.co/web/sites/default/files/Paginas/2019-03-18/Programa%20de%20Gestión%20de%20la%20Velocidad%20para%20Bogotá.pdf.
4. Andersson, P. K., B. la Cour Lund, P. V. Greibe, and L. Herrstedt. 2008. "Byporte: de trafiksikkerhedsmaessige efffeckter, Trafitec Scion-DTU, 116, July. [Online]. http://www.trafitec.dk/pub/byporte%20vejforum08.pdf.
5. Anon. 2002. Evidence and Conclusions from the Sixth Annual Local Government Road Safety Conference, Newcastle, UK, August.