Veteran commuters recall the 2010s had several summers of commuting “hell” promoted by failing old infrastructure on Amtrak’s Northeast Corridor line, and the agency doing critical repair work to fix it. Will 2024 be another summer of hell, in the wake of last month’s and last week’s infrastructure problems that caused NJ Transit delays and train cancellations? NJ Transit CEO Kevin Corbett has some answers, fresh from a face-to-face meeting with Stephen Gardner, his counterpart at Amtrak, and senior staff. Amtrak is the landlord of the corridor line, which touches many of tenant NJ Transit’s r…