Vast swaths of the subway still rely on signal equipment from the Great Depression. A multibillion dollar plan, now at risk, hopes to bring the system into the 21st century ...

Lateef Green is facing attempted murder and assault charges for Friday’s knife attack on a No. 5 train nearing the 219th St.

The 35-year-old man jumped in front of a Manhattan-bound No. 6 train entering the Third Ave.-138th St. station, cops said.