The Straphangers Campaign found the announcements of delays were correct, clear and ungarbled 52 percent of the time.
The MTA said commuters should expect delays and crowded trains until service is fully restored.
Gov. Andrew M. Cuomo announced Wednesday when limited subway, Metro North, and LIRR service will resume.
In a confirmation of the fears of Metropolitan Transportation Authority, subway tunnels and stations flooded Monday evening as water rushed through Battery Park and other areas.
The ice storm that struck the Tri-State area Wednesday morning not only caused problems for commuters, but it also had the potential to flare back up into a problem overnight into Thursday.
A report from the MTA inspector general claims agency inspection records were doctored or even made up, possibly sacrificing riders’ safety to meet deadlines.