Around 4 p.m., the LIRR said it was experiencing signal problems in one of the East River tunnels, affecting service to and from New York Penn Station.
As a result, the rail service issued a warning to evening commuters:
The problem caused changes on just about every LIRR line before service finally resumed with residual delays just before 7 p.m. Here's a rundown of just a few cancellations reported from the LIRR during that time:
(app users tap here to see the collection of tweets)
Westbound service was also halted as a result of the signal issues, but it has also resumed.
During this time, there were delays of up to 30 minutes on New Jersey Transit. This was due to congestion caused by speed restrictions in place for the ongoing Amtrak maintenance work.