References
- Competition Commission. (2011, December). Local bus services market investigation: A report on the supply of local bus services in the UK (excluding Northern Ireland and London). London (Note that the Competition Commission was succeeded by the Competition and Markets Authority from April 2014, and its website closed down. Past reports are available via http://webarchive.nationalarchives.gov.uk/20140402141250/http://www.competition-commission.org.uk)
- Davison, L., Enoch, M., Ryley, T., Quddus, M., & Wang, C. (2014). A survey of demand responsive transport in Great Britain. Transport Policy, 31, 47–54. doi: 10.1016/j.tranpol.2013.11.004
- Mulley, C. (2010). Promoting social inclusion in a deregulated environment: Extending accessibility using collective taxi-based services. Research in Transportation Economics, 29(4), 296–303. doi: 10.1016/j.retrec.2010.07.037
- Wright, S. (2013). Designing flexible transport services: Guidelines for choosing the vehicle type. Transportation Planning and Technology, 36(1), 76–92. doi: 10.1080/03081060.2012.745757