There aren’t any trams in Seoul since fifty years, but it doesn’t mean that Korea completely abandoned the idea of trams. Actually, Korea currently works on the development of new tram systems. In 2012 the Ministry of Land, Transport and Maritime Affairs decided to focus on one special kind of tram (via KBS):
The government has designated bimodal trams and magnet-embedded tracks as new transportation technologies.
Bimodal trams are built by applying railway technologies into buses. Bimodal trams are a new type of transportation that boasts the flexibility of buses and periodicity of trains. The trams are controlled electronically, provide a smoother ride for passengers, and can be automatically operated on dedicated tracks with magnets embedded in them.
The Ministry of Land, Transport and Maritime Affairs explained that such technologies are eco-friendly systems that could be used to replace light rail vehicles.
It’s great that South Koreal pursues development into this particular direction. There are some points which I would like to discuss: Bimodal trams, magnet-embedded tracks, replacement of light rail. We’ll start with the last one point.
The pictures are from 2010 before the official opening of the line! It would’ve been much more sustainable to build it on street-level and and less damaging to the urban landscape. That’s exactly, what the last sentence in the article expresses indirectly: construction of enormous cement pillars and elevated rail ways, the uncomfortable way up into the station and many more things are not very eco-friendly and sustainable. Thus, bimodal trams could play a leading role. because they are on street-level.
The name might be a little bit misleading but this vehicle is a bus because it has rubber tires. It is called a tram comes because the vehicle is led by magnets and thus it matches principle of rail vehicles. The vehicle has a top speed of 80 km/h and it is completely electric. As far as I know, such vehicles already operate in Sejong City and they operated during the expo in Yeosu. I even took a picture of the vehicle in Yeosu:
Maybe they even installed magnets there because you can see a green mat at the station. By far, the most interesting thing is that it doesn’t drive on rails. One more important thing is that the invention comes from Netherlands. There it’s called “Phileas” and originally, the intention was to create a driver-less car. As far a I now, the city of Eindhoven uses this system but they abandoned the usage of the magnets.
Korea seems to wish to implement the magnetic guidance (still with a driver present) and so, we should take a look how it works.
Along the route of the bus, there are magnets embedded in the streets, which seems to be able to lead the vehicle automatically. The magnets are 3 cm long and 1.5 cm thick, 10 cm under the surface and magnets are installed in a distance of 4 to 5 m. You can see it in the picture on the left. If there is a obstacle on the route, the driver of the bimodal tram can manually navigate around the obstacle. Otherwise, if the road is clear, the vehicle can safely reach a high speed.
I’m wondering how they recharge the vehicles. There is no description about recharging functions along the route or at stations.
Probably, you wonder why I bring this topic up. If you look at the buses of Seoul, they look a little bit worn out. I don’t want even mention the buses in the cities around Seoul. I think that Seoul may replace their buses with this bimodal trams. Seoul seems to interested in operating the bimodal trams between Seoul and the cities in the metropolitan area like a type of extremely modern BRT.
Sources and Related Links: KBS News | MLTM | MLTM Press Release | Bimodal Transportation Research Center | Phileas
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You can find some dutch Phileas history in this ppt
http://www.delta-pi.nl/v1/content_files/congres2011/11_bouwman.pdf
http://www.apts-phileas.com/
Do you know more about this Korean development ? Is there more detailed information in the korean language part ? : http://www.bimodaltram.com/eng/project/introduce.asp
Meanwhile there are some ongoing experiments with hydrogen engines:
http://www.vossloh-kiepe.com/Hybridbusse/vkproduktordner.2011-04-01.4405571445/wasserstoff-hybrid
Hey!
Thanks for the links. The bimodaltram.com site sadly doesn't provide a lot of information. The Korean version is similar, just it contains links to news articles etc (but no updates since a while). I googled and I found the following links (probably you've found them also already, anyway):
http://www.bimodaltram.com/kor/file/pop01.pdf
http://www.korea.net/NewsFocus/Sci-Tech/view?articleId=102860
http://www.maglev.ir/eng/documents/papers/conferences/maglev2011/ORTP-04.pdf
http://www.krri.re.kr/krri_2008/department/res/12_bimodal02.pdf
The KRRI is the organization which develops the bimodal tram in Korea. Usually, they focus on rail technology! http://www.krri.re.kr/krri_2008/KeyProjects/index.html
What is the present status of the bimodal tram ? any idea ?
http://mengnews.joins.com/view.aspx?gCat=050&aId=3005229
Hi Gerold!
The Bimodal Tram was introduced September 2012 in Sejong City (a new city which is in construction since 2010) on a trial service. Sadly, the trial operation wasn't successful. The vehicles had many technical errors and it was too expensive to operate. So they have been quickly replaced with normal buses.
Now three years have passed and the technology was again in development. The latest news are that the city Daejeon is exploring the advantages of the system and thinking about installing the system.