3 ms·
The level of redundancy in the NYC subway is marvelous. In most of the densest areas, you have 4-track lines and often other lines within a mile. It makes it po
by acjohnson55 2y ago
The level of redundancy in the NYC subway is marvelous. In most of the densest areas, you have 4-track lines and often other lines within a mile. It makes it possible to do maintenance while still offering 24/7 service.
- throwaway473825 2y agoIf you have a 2-track line, you can close one of the tracks for maintenance on weekday nights when frequency doesn't need to be very high. That's how Copenhagen does it.