Peter LaPorte, director of emergency management for the Washington Metropolitan Transit Authority, said train service may be halted if winds from Hurricane Irene reach 45 miles per hour, but as of now the agency excepts to operate normally.

LaPorte said WMATA officials plan to evaluate the storm on a continual basis, and will try to let riders know as early as possible of if a shutdown is needed Saturday or Sunday.

LaPorte said rail service could be halted if sustained winds are forecast to reach at least 45 miles per hour or there is substantial flooding.

LaPorte noted Metro closed in 2003 when Isabel swept through the region as a tropical storm.

“We are watching it very closely, he said

Click here for more on what Metro is doing to prepare for Hurricane Irene.