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USDOT revises PTC implementation regulations
Congressmen seek more federal funding for PTC research, emergency response training
Amtrak: Number of track miles equipped with PTC to more than triple in 2012
California senators ask FRA to issue PTC implementation progress report next month
NCTD contracts Herzog to implement PTC on COASTER system
Metrolink secures $46.3 million to fully fund PTC program
FCC's wireless telecommunications arm seeks comments on PTC radio spectrum issues
