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Excelius t1_iydpppm wrote

I don't see the problem?

If there's a fire or hazmat situation or something in one tunnel, then you can just cross into the other tunnel which is likely safe.

Main problem is just getting any traffic in the other tunnel to stop so you don't get splatted while fleeing.

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MothaFknPOOOON t1_iye0s1n wrote

A fire, crash etc in a tunnel should have the monitoring team turn the entrance lights red and stop traffic from entering... I would imagine both tunnel sides are stopped at least temporarily while risk assessment takes place

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