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Any tunnel I've been in has been fine. Motorcycles can't enter, they have to go on the road, not the cycle lane. Smaller "scooters" can be admitted but there is

Any tunnel I've been in has been fine. Motorcycles can't enter, they have to go on the road, not the cycle lane. Smaller "scooters" can be admitted but there is plenty of active ventilation to deal with that. In the case of the Maas Tunnel in Rotterdam there is a second tunnel for combustion vehicles. Pedestrians have a tunnel of their own below the cycle tunnel.

vinay427 4y ago
I think they meant tunnels in general that affect people not in cars, including motorcyclists, because of their lack of a loosely airtight or climate-controlled environment. As opposed to a tunnel specifically for bicyclists and motorcyclists, which is also how I read it at first.
seszett 4y ago
The Kennedytunnel in Antwerp is two-level with a bike tunnel on top of the (very crowded) motorway, and it does smell of fumes in spite of the ventilation. The large detours of the bike path at both ends of the tunnel are also a bit annoying as they significantly increase the distance you have to cycle. The alternative with elevators like in the Sint Annatunnel isn't really better though, because there you just have to wait for a long time for the elevator. I much prefer bridges but where I've used bike bridges (like in Nantes) they were very low with little clearance above water. Even in Lille they're just a few meters, maybe ten meters at most, above water, so they're easy to climb without a large detour. I wouldn't take the Pont de Cheviré on a bike for example...
agsnu 4y ago
I immediately thought of the Rotherhithe tunnel in London. While pedestrians and cyclists can use it, it's grim - see this video for example of someone walking it https://www.youtube.com/watch?v=hjAHzZa_pc8 https://www.youtube.com/watch?v=hjAHzZa_pc8 Clearly for crossing any lengthy stretch of water, a bridge is much preferable to a tunnel.
- AlecSchueler 4y ago
  You're basing that position of the case of one badly designed bridge though. Try some underwater cycling tunnels in the Netherlands. The Benelux tunnel is a joy to use.
  - AlecSchueler 4y ago
    Tunnel* not bridge

vinay427 4y ago

I think they meant tunnels in general that affect people not in cars, including motorcyclists, because of their lack of a loosely airtight or climate-controlled environment. As opposed to a tunnel specifically for bicyclists and motorcyclists, which is also how I read it at first.

seszett 4y ago

The Kennedytunnel in Antwerp is two-level with a bike tunnel on top of the (very crowded) motorway, and it does smell of fumes in spite of the ventilation. The large detours of the bike path at both ends of the tunnel are also a bit annoying as they significantly increase the distance you have to cycle. The alternative with elevators like in the Sint Annatunnel isn't really better though, because there you just have to wait for a long time for the elevator. I much prefer bridges but where I've used bike bridges (like in Nantes) they were very low with little clearance above water. Even in Lille they're just a few meters, maybe ten meters at most, above water, so they're easy to climb without a large detour. I wouldn't take the Pont de Cheviré on a bike for example...

agsnu 4y ago

I immediately thought of the Rotherhithe tunnel in London. While pedestrians and cyclists can use it, it's grim - see this video for example of someone walking it https://www.youtube.com/watch?v=hjAHzZa_pc8 https://www.youtube.com/watch?v=hjAHzZa_pc8 Clearly for crossing any lengthy stretch of water, a bridge is much preferable to a tunnel.

AlecSchueler 4y ago
You're basing that position of the case of one badly designed bridge though. Try some underwater cycling tunnels in the Netherlands. The Benelux tunnel is a joy to use.
- AlecSchueler 4y ago
  Tunnel* not bridge