News bites: Stop the merger

Your morning transportation speed-read:

United Airlines pilots have sued to stop a key part of its integration with Continental Airlines.

The National Transportation Safety Board has released its findings on the 2010 gas pipeline explosion in San Bruno, Calif.

New York state has been awarded $150 million for Amtrak upgrades.

Commuter train tracks that were damaged by Hurricane Irene won't be fixed until December.