- JAPAN IN FOCUS
World’s first car-train dual-vehicle begins operation in Shikoku
14:54 JST, December 27, 2021
TOKUSHIMA — A dual-mode vehicle capable of running on both railway tracks and roads has started services on the Asa Coast Railway Line, a railroad linking Tokushima and Kochi prefectures, marking the world’s first full-scale operation of such a vehicle.
The DMV is an adapted minibus with a capacity of about 20 passengers. It runs along the coast of the two prefectures. After a ceremony to celebrate the start of the service on Saturday, the first DMV carrying railroad fans and others departed at about 12:30 p.m.
In a test-drive on Dec. 10, a DMV carrying local residents departed from the Awa Kainan Bunkamura cultural facility and ran on the road. At Awa-Kainan Station in Kaiyo, Tokushima Prefecture, the metal wheels stored on the vehicle’s underside were lowered to switch from bus mode to train mode. When the driver pressed the accelerator, the vehicle started to glide along the railroad tracks.
“It’s more comfortable than a train because it shakes less,” said a 59-year-old civil servant from Anan, Tokushima Prefecture, who was riding the DMV.
The vehicle is 8 meters long and 2 meters wide, and was adapted from a Toyota Motor Corp. minibus. In addition to railroad wheels, the vehicle is equipped with a location notification system and brakes equivalent to an automatic train stop system.
The main route is about 15 kilometers long — of which about 10 kilometers are railway tracks — and mainly runs along the border of the two prefectures. On weekdays, the DMV makes 26 inbound and outbound runs, and 30 on weekends and holidays. On weekends and holidays, the vehicle also makes one round trip from the Awa Kainan cultural facility to Cape Muroto — a distance of about 50 kilometers each way.
The Asa Coast Railway Line stopped operating a year ago. Two stations were renovated, with platforms lowered to accommodate the DMVs. The DMV system cost ¥1.6 billion, including three vehicles.
“We’re finally at the starting line,” said Toyoki Ihara, an executive director of Asa Coast Railway Co.
Decade of planning
Asa Coast Railway began considering the DMV project around 2009. In the days of the now-defunct Japanese National Railways, consideration was given to extending the line from Tokushima to Muroto. However, passenger numbers continued to decrease due to depopulation, and the expansion was deemed unrealistic. The idea of the DMV system emerged, which JR Hokkaido had been considering since 2002, but suspended.
Because the extended section runs on public roads, there was no need to build new tracks, crossings and other essential railroad infrastructure. Maintenance costs can be kept low.
However, a technical problem existed. There were concerns within JR Hokkaido that since the DMV is lighter than an ordinary train car, the vehicle could derail if it were to run on snowy tracks.
The government’s technical evaluation committee noted that the long-term durability of the parts supporting the wheels of the DMV “needs to be continued to be verified.”
For the time being, inspections will be conducted every year, instead of once every four years as originally planned.
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