After a month-long delay due to vent exhaust problems, Grand Central Madison will officially open this week, the Metropolitan Transportation Authority announced Tuesday. The first Long Island Rail Road train with service to Manhattan's east side is scheduled to leave Jamaica at 10:45 a.m. on Wednesday and arrive at the new terminal at 11:07 a.m. As part of the initial roll-out, there will be limited shuttle service between the two stations to help commuters get familiar with the new terminal, which cost roughly $12 billion, according to the transit agency.

The initial launch includes special "Grand Central Direct" trains, which will operate between Jamaica and Grand Central Madison between 6:15 a.m. and 8 p.m. on weekdays and between 7 a.m. and 11 p.m. on weekends.

The MTA said trains will run every 30 minutes in both directions during weekday midday periods and on weekends and once per hour during peak periods.

For the first couple of weeks of the new service, the LIRR will have customer ambassadors on Grand Central Madison's concourse to help commuters navigate the space. Customers will be able to use Penn Station tickets to travel to the new terminal, as both Penn Station and Grand Central Madison are within the same fare zone.

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