Regulatory Reforms support and are supported by Institutional Reforms, TDM Programs, Market Reforms, Smart Growth and Least Cost Planning, all of which involve changing current transportation planning and funding practices. Regulatory Reforms can support Taxi Improvements, Transit Improvements and Shuttle Bus service. They may be needed to implement some Rideshare, Commute Trip Reduction, Tourist Transport Management and Campus Transport Management programs that are constrained by existing regulations (for example, rules governing the qualifications of a vanpool or jitney driver).