Original sentence: DRT schemes may be fully or partially funded by the local transit authority,.Demand-responsive transport, also known as demand-responsive transit (DRT), demand-responsive service, Dial-a-Ride transit (DART) or flexible transport services is a form of transport characterised by flexible routing and scheduling of vehicles rather than using a fixed route or timetable.One example is the paratransit programs for people with a disability.One of the most widespread types of demand-responsive transport (DRT) is to provide a public transport service in areas of low passenger demand where a regular bus service is not considered to be financially viable, such as rural and peri-urban areas.Services may also be provided for particular types of passengers.The provision of public transport in this manner emphasises one of its functions as a social service rather than creating a viable movement network.These vehicles typically pick-up and drop-off passengers in locations according to passengers needs and can include taxis, buses or other vehicles.They may also be provided by private companies for commercial reasons; some conventional bus operating companies have set up DRT-style airport bus services, which compete with larger private hire airport shuttle companies
Edited sentence: DRT schemes may also be provided by private companies for commercial reasons; some conventional bus operating companies have set up DRT-style airport bus services, which compete with larger private hire airport shuttle companies.DRT schemes may be fully or partially funded by the local transit authority, as providers of socially necessary transport.DRT services may also be provided especially for special needs passengers, as with paratransit programs.DRT systems typically provide a public transport service for areas of low passenger demand, such as rural areas, where a regular bus service would not be viable.Demand-responsive transport, also known as demand-responsive transit (DRT), demand-responsive service, Dial-a-Ride transit (DART) or flexible transport services is "an advanced, user-oriented form of public transport characterised by flexible routing and scheduling of small/medium vehicles operating in shared-ride mode between pick-up and drop-off locations according to passengers needs"