05-20-2016, 10:10 AM
They might be leaning that way, but unless the utilities are pinching the maximum underpass down to 4m of width for a very long length (unlikely), it would mean that you could have a 6m-wide underpass for all but a short 4m-wide segment. All of that beats turning 2 flights of stairs into 10, speaking as someone who's experienced that king of stair-dilemma in daily commutes for years.