By Don C. Brunell, Guest Columnist
While the investigation continues into the deadly Amtrak derailment near DuPont, Washington, the clock continues to tick on the implementation of Positive Track Control (PTC). The deadline is Dec. 31.
By Don C. Brunell, Guest Columnist
While the investigation continues into the deadly Amtrak derailment near DuPont, Washington, the clock continues to tick on the implementation of Positive Track Control (PTC). The deadline is Dec. 31.