Only in the handful of most recently constructed stations (like the 2nd Ave line...

sethhochberg on Feb 16, 2017 | parent | context | favorite | on: Elon Musk is boring a tunnel to skirt gridlock

Only in the handful of most recently constructed stations (like the 2nd Ave line, or the new Hudson Yards extension of the 7 line). The overwhelming majority of the station network is 80+ years old and has no climate control.