The NTSB says a broken rail led to the train's derailment, which caused the bridge to partially collapse onto I-25, killing a truck driver and necessitating the highway’s closure.
Federal contractors misusing the system or rejected
from its use also should face suspension or debarment proceedings, government watchdog agency suggests.
The utility company said two years ago it would bury 10,000 line miles to prevent wildfires, but regulators now balk at proposed rate increases to pay for the work.