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Real-time ridesharing (also known as instant ridesharing, dynamic ridesharing, ad-hoc ridesharing, on-demand ridesharing, dynamic carpooling, and provided by Transportation Network Companies) is a service that arranges one-time shared rides on very short notice. This type of carpooling generally makes use of three recent technological advances:
- GPS navigation devices to determine a driver's route and arrange the shared ride
- Smartphones for a traveler to request a ride from wherever they happen to be
- Social networks to establish trust and accountability between drivers and passengers
These elements are coordinated through a network service, which can instantaneously handle the driver payments and match rides using an optimization algorithm.
Like carpooling, real-time ridesharing is promoted as a way to better utilize the empty seats in most passenger cars, thus lowering fuel usage and transport costs. It can serve areas not covered by a public transit system and act as a transit feeder service. Ridesharing is also capable of serving one-time trips, not only recurrent commute trips or scheduled trips. Unlike carpooling, however, ridesharing in this context is similar to a taxi service, in that its drivers are commercial operators making trips purely for the benefit of the customer, not ordinary drivers taking extra passengers on trips they would have made anyway.
"Ridesharing" has proved controversial due to its lack of regulation, and failure to provide adequate insurance for drivers or their passengers, and not ensuring that its drivers were properly licensed or trained. One of the main ridesharing firms, Uber, was banned in Berlin and a number of other European cities. Opposition may also come from taxi companies and public transit operators, because they are seen as alternatives.
A 2010 survey at the University of California, Berkeley found 20% of respondents willing to use real-time ridesharing at least once a week; and real-time ridesharing was more popular among current drive-alone commuters (30%) than transit or non-motorized commuters. The top obstacles to using real-time ridesharing were short trip lengths and the added time of ride logistics.
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Early real-time ridesharing projects began in the 1990s, but they faced obstacles such as the need to develop a user network and a convenient means of communication. Gradually the means of arranging the ride shifted from telephone to internet, email, and smartphone; and user networks were developed around major employers and universities. As of 2006, the goal of taxi-like responsiveness still generally eluded the industry; "next day" responsiveness was considered the state of the art.
A number of technology companies based in San Francisco premiered apps for real-time ridesharing around 2012. However, in the fall of 2012, the California Public Utilities Commission issued a cease and desist letter to rideshare companies Lyft, Uber, Wingz, and Sidecar, and fined each $20,000. In 2013 an agreement was reached reversing those actions, creating a new category of service called "Transportation Network Companies" to cover both real-time and scheduled ride-sharing companies. Transportation Network Companies have faced regulatory opposition in many other cities, including Los Angeles, Chicago, New York City, and Washington, D.C.
Two dynamic ridesharing pilots in Norway received government funds from Transnova in 2011. One pilot in Bergen had 31 passenger in private cars during one day. Thirty-nine users acted as drivers or passengers between June 30 and September 15 with four ridesharing episodes or more. The phone apps that was used was Avego Driver and HentMEG.no cell client, a prototype developed for the NPRA of Norway. The other pilot is run by the company Sharepool.
Some more advanced real-time ridesharing features have been proposed but not implemented. For example, longer trips might be facilitated using "multihop" matches in which passengers change cars to reach their final destination.
- Flexible carpooling
- Illegal taxicab operation
- Peer-to-peer carsharing
- Sharing economy
- Sustainable transport
Notes and references
- Amey, A., J. Attanucci, and R. Mishalani. "'Real-Time' Ridesharing – The Opportunities and Challenges of Utilizing Mobile Phone Technology to Improve Rideshare Services." TRB Annual Meeting, 2011.
- Ecosummit TV – ECO11 – Young Future Mobility Leaders – Panel - ECOSUMMIT - Smart Green Economy Network and Conference
- Levofsky, Amber and Allen Greenberg. "ORGANIZED DYNAMIC RIDE SHARING: THE POTENTIAL ENVIRONMENTAL BENEFITS AND THE OPPORTUNITY FOR ADVANCING THE CONCEPT." Transportation Research Board, 2001.
- Brooks, Jon (7 November 2013). "Will ‘Ride Sharing’ Kill San Francisco’s Taxi Industry?". KQED. Retrieved 19 December 2013.
- Elizabeth Deakin, Karen Trapenberg Frick, and Kevin Shively. 2012. "Dynamic Ridesharing." Access, 40: 23-28.
- Chan, Nelson and Susan Shaheen. "Ridesharing in North America: Past, Present, and Future." Transportation Research Board, 2010.
- United States Department of Transportation. "ADVANCED PUBLIC TRANSPORTATION SYSTEMS: THE STATE OF THE ART UPDATE 2006."
- Tomio Geron, Forbes Staff (28 January 2013). "Tickengo's Willie Brown Wants Revenue Cap For Ride-Sharing Drivers". Forbes. Retrieved 2013-01-28.
- Lawler, Ryan (31 Jan 2013). "A Day After Cutting A Deal With Lyft, California Regulator Reaches An Agreement With Uber As Well". TechCrunch. Retrieved 17 July 2013.
- Geron, Tomio (9 Sep 2013). "California Becomes First State To Regulate Ridesharing Services [Lyft], Sidecar, UberX". Forbes. Retrieved 23 Oct 2013.
- Tuttle, Brad (27 Jun 2013). "Rideshare Battle Shifts to L.A.: City Tells Uber, Lyft, SideCar to Stop Picking Up Riders". Time Magazine. Retrieved 17 July 2013.
- Rodriguez, Salvador (2 Jul 2013). "Lyft expands to San Diego amid cease-and-desist order in Los Angeles". Los Angeles Times. Retrieved 17 July 2013.
- "Uber Sued By Taxi And Livery Companies In Chicago For Consumer Fraud And More". TechCrunch. October 5, 2012. Retrieved October 6, 2012.
- Uber shuts down New York City taxi beta, may see light at the end of the (Lincoln) tunnel in February (update: TLC responds) - Engadget
- Greene, David (January 31, 2012). "Upstart Car Service Butts Heads With D.C.'s Taxis". NPR.
- Avego Ltd
- HentMEG.no website
- Sharepool website (Norwegian)
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- Washington Post, 8/31/2012. Ride-Sharing Apps Take Off.