Countdown clocks have been installed on the 7 train line at Court Square station, though the clocks have not been activated yet. According to the MTA, the clocks will be activated by the end of the year:1
The 326 stations with countdown clocks includes 156 stations on the numbered lines and 24 L Subway line stations with countdown clocks, connected to the line’s Communications Based Train Control (CBTC) signal system. The 7 Subway line will also get countdown clocks after the installation of CBTC is completed later this year.

The 7 train has new countdown clocks

A view of the 7 line at Court Square
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