Motorbikes/coaches/cars/motorhomes need to use the Tourist shuttles and tourist-entrances, for the moment this is done with hgv=no. The route is tagged with Proposed features/shuttle_train for the Eurotunnel Shuttle ro-ro service and two additional parallel hidden ways 180399801 180399801 180387103 180387103 for routeing (see OSRM example). If the newly-installed GSM/3G network gets picked up for geo-location with modern phone-based satnavs, it should be possible to semi-accurately animate the moving route correctly while the Shuttle is under the sea. The present status (May 2013) is that the 1987 Channel Tunnel is pretty well mapped from general knowledge, and Eurotunnel's two terminals are accurately mapped from Bing satellite coverage. The Channel Tunnel is significantly longer than any other tunnels that might have been tried with a IMU though, so the error drift is going to be somewhat larger. LiDAR from one of the open Arbel HGV wagons should work too.
The same could be done with a gyro/IMU on a standard Le Shuttle or Eurostar crossing as other people have suggested for other underground tunnels.
/GettyImages-533784362-581ce5135f9b581c0b666aa6.jpg "channel tunnel")
For data-logging, it would appear that at least some journalists have been allowed to drive electric cars through the service tunnel as a gimmick, and a car with a high-precision inertial measurement unit could source data for the service tunnel. The only organisations with that dataset in electronic form are likely to be Eurotunnel Groupe, SNCF International (Mauzin, IRIS 320 track recording train) or the Inter-Governmental Commission (deposited plans). We do however have a large number of numerical facts to work from this page attempts to compile those. Whilst a huge amount of academic work was published during the construction phase, putting it in the "public knowledge" domain, there is no dataset under a licence that can be imported directly into OpenStreetMap. The 1881, 19 service bores all coincide at an underwater point off Aycliff-here the 1974 bore forms a section of the latter-day 1987 service tunnel and the 1881 tunnel crosses on the same level at an oblique angle. The 1987 Channel Tunnel 2147197 2147197 is the present-day final result and consists of one medium and two large bores.
#CHANNEL TUNNEL PLUS#
The 1974 Channel Tunnel was an experimental medium-bore tunnel started from a sloping Adit A1 145678853 145678853 at Shakespeare Cliff, plus an experimental medium-bore sloping adit 221205117 221205117 started from Sangatte.The 1882 Channel Tunnel was an experimental 1,669-metre narrow-bore tunnel started at Sangatte.The 1881 Channel Tunnel 154821021 154821021 was an experimental 1,865-metre narrow-bore tunnel started from a vertical shaft at Shakespeare Cliff heading towards the Dover Harbour walls.The 1880 Channel Tunnel 154820160 154820160 was an experimental 820-metre narrow-bore tunnel, started from a horizontal adit at Chapel-le-Ferne."We finally arrived in Folkestone six hours after boarding. There were gasps of incredulity when that was announced. That train then stopped as it couldn't get traction, presumably as it was long and had no weight on it. "This was a bus carriage where we got transported to Folkestone. "We then walked approximately 10 minutes to a train in front of the stricken train. "After further waiting we left the train through the emergency link tunnel to the service tunnel. "We waited a further couple of hours to decide they couldn't see a problem but had to evacuate the train to another train," he said. He said they "reset things" and set off for another five minutes, but then the issue happened again. He said that they were told the engineers "needed to investigate an issue with the wheels", which "took approximately one and a half hours for them to investigate and obviously not find anything". Michael Harrison, from Kent, one of those evacuated from the train, said: "We got on the 3.50pm crossing, approximately 10 minutes in the lights went out and the train stopped." Meanwhile, travellers in Calais were told to stay away from the terminal until 6am on Wednesday, with pictures showing gridlock at the shuttle terminal late into Tuesday evening. Videos on social media showed holidaymakers walking through the alternate tunnel alongside the 31-mile rail route between Britain and France, some with suitcases and dogs.
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