1.   Amtrak said a limited number of trains were operating on its main northeast corridor, but the three major airports in the Washington area were closed.

2.   Amtrak has added trains in the Northeast corridor and has seen demand rise by thousands of passengers each day.

3.   Amtrak has been adding extra cars all week to its trains on northeast corridor routes to accommodate the large number of holiday travelers.

4.   Amtrak is jammed with calls and e-mails, and many trains are booked, especial in the Northeast corridor, in the next two weeks.

5.   And in the Northeast corridor, five of the eight vice presidents are women.

6.   As Kaiser has expanded outside its California stronghold, it has met resistance in such marketplaces as Atlanta, Dallas, the Northeast corridor and Kansas City.

7.   Across the northern portion of the Northeast corridor, snow will commence across metropolitan New York by late morning with several inches likely by nightfall.

8.   Comcast has six million cable subscribers, primarily along the Northeast corridor from Baltimore through Washington, Delaware, Philadelphia, New Jersey and Connecticut.

9.   Damp weather will cover the northeast corridor on Tuesday as low pressure travels slowly along a stationary front.

10.   Five high-speed Acela trains are being tested on the Northeast corridor, and passengers going through Philadelphia can often see them parked on sidings.