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Exchange and merging options can facilitate public transport and reduce car traffic – ScienceDaily


Be mobile individually, at any time – without your own car. To facilitate this, public transport authorities are working with service providers for new forms of mobility, such as bicycle sharing, car-sharing or joint travel. Researchers from the Karlsruhe Institute of Technology (KIT) have studied how publicly available mobility options in the Karlsruhe region can optimally meet the needs of citizens in the future. The result: the widespread use of pooling and sharing services, as well as the improvement of public transport, will benefit both – and reduce road traffic.

“In times of climate change, high fuel prices and the desire to be independent of foreign energy imports, every kilometer saved helps. Combining public transport with other forms of mobility promises additional savings potential,” said Dr Martin Kagerbauer of the KIT Institute for Transport Studies. IfV). With the “regiomove” project, the Karlsruhe Transport Authority (KVV) has created a network of different mobility options that can be accessed digitally via the app or in mobility centers – stations where users can easily switch from different modes of transport.

Wide availability of sharing and merging options

Researchers have simulated different future scenarios for the whole mobility offer in travel demand models to find out how this new mobility offer works best: “Sharing and pooling options can help increase public transport use – but only if they are widespread and are available throughout the region, ”says Kagerbauer. “Currently, only up to ten percent of the population has access to such options, depending on what area they live in,” adds Tim Worle of IfV. Increasing this percentage by 20 percent by expanding various exchange services to more rural areas could almost triple their share of travel. “New options may still be of little importance in general travel. However, they can provide the public with many additional mobility options in addition to personal cars, ”Kagerbauer explains.

No competition in public transport

Researchers ’scenarios also prove that new mobility options are almost non-competitive with public transport or cleaner vehicles such as bicycles. On the contrary: “Public transport, which currently accounts for about twelve percent of total travel in the Karlsruhe region, would benefit from doubling the sharing and pooling options with a small increase, and the same goes for bicycle use,” – says Worle. “In addition, reducing the travel time of buses and trains on public transport by ten percent could increase the use of public transport by six percent.” As a result, the percentage of car trips in Karlsruhe and surrounding areas will decrease.

Results presented at the IT-TRANS conference

The researchers presented their findings at the regiomove panel on Thursday, May 12, 2022, at the IT-TRANS conference.

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Materials provided Karlsruhe Institute of Technology (KIT). Note: Content can be edited by style and length.

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