We did lots of tunnels before, though. Or look at Metro’s proposal for a western extension to the Orange Line. The track would be down the median of a highway t

We did lots of tunnels before, though. Or look at Metro’s proposal for a western extension to the Orange Line. The track would be down the median of a highway that’s currently just grass. Not a single person would be displaced, nor would any tunneling need to happen. Still no movement on it after decades.