The railroad administration expressed strong concern but not much more.
The safety board and the railroad administration are investigating the accidents.
The railroad administration declined to comment on the bill.
A spokesman for the railroad administration declined to comment.
The company may face fines of $2,500 to $7,500 per violation, according to the railroad administration.
The defect had been fixed, the railroad administration said.
Even officials who go to other areas of Government, like the police, customs and railroad administration, must attend a brief course here.
The railroad administration has since said that it will send 10 additional inspectors to the San Antonio region.
Even the railroad administration acknowledged that this process was time-consuming and "resulted in little meaningful change."
The Times provided its findings to the safety board and the railroad administration.
