1. Seventy minutes plus or minus 10 - a review of travel time budget studies;Ahmed;Transp. Rev.,2014
2. The trilogy of distance, speed and time;Banister;J. Transp. Geogr.,2011
3. Cervero, R., 2011. Going beyond travel-time savings: an expanded framework for evaluating urban transport projects (Transport Research Support Report No. 70206 for The World Bank). Washington DC.
4. Crozet, Y., 2019. Travel Speed, Mobile Lives Forum (https://en.forumviesmobiles.org/marks/travel-speed-12977, last access 21-9-2021).
5. Ortúzar, J. de D., & Willumsen, L. G., 2011. The value of travel time. Section 15.4 in: Modelling transport, 4th edition. John Wiley & Sons, Chichester, UK, pp. 509-522.