Elise Young | Bloomberg

All that Courtney Belton really wants is a seat and on-time arrivals as she commutes aboard a New Jersey Transit train. The Northeast Corridor, the busiest U.S. rail line, doesn’t always accommodate.

The inconveniences are bound to worsen: A block from the New Brunswick station where she waits, a 238-unit apartment building is being marketed to those eager to trade cars for mass transit. At least 26,000 such homes have been built or are planned across the state in what are called transit villages. Read more