A US rail workers union says allowing Mexican crews to bring trains miles into South Texas is a threat to border security and American jobs.

The Heartland Flyer, an Amtrak route between Oklahoma City and Fort Worth, has been jointly funded by Texas and Oklahoma City. Now what?

The Texas Department of Transportation says it does not have any contractual obligations to its Oklahoma counterpart.

A 206-mile route connecting Fort Worth and Oklahoma City that's been in operation since 1999 faces discontinuance.

A train traveling 200 mph between Texas' biggest cities could boost GDP by billions in Dallas, according to a new report.