Quote:
Originally Posted by 202_Cyclist
|
Don’t understand why Metro isn’t exploring a single-bore option with tracks on two levels for A6. The smaller station boxes can then be excavated next to the tunnel with only one set of escalators/stairs going down to the lower level. IOW, one track is on the mezzanine (this is the case with 7th Street / Metro Center.
What would be ideal though is a tunnel with a diameter wide enough to accommodate two tracks on two levels, the lower level solely dedicated to express trains.
Threaded Mode