As city kicks cars off most of 14th St., fate of future street redesigns hangs in the balance

After months of delays, the city on Thursday will finally launch its long-planned initiative to kick cars off the majority of 14th St., one of Manhattan’s busiest crosstown corridors.

The new rules will ban through traffic on the street between Third and Ninth Aves from 6 a.m. to 10 p.m. daily,...