NTSB

Six days after one of Amtrak's worst derailments that resulted in the deaths of 8 passengers, service will resume on the Northeast Corridor, the busiest train route in the U.S. Amtrak #188 had accelerated to 106 mph as it entered a curve on May 12.
May 18, 2015   Planetizen
The timeliness of the debate on Amtrak's budget could not have been worse for House Republicans who appeared insensitive at best in approving almost a 20 percent cut in funding after the fatal Philadelphia derailment that sent 200 to hospitals.
May 15, 2015   The Hill
The death toll has risen to seven in the May 12 derailment in Philadelphia. NTSB confirmed the train was traveling over 106 mph on a curve where the speed limit is 50 mph. Positive Train Control, which would have stopped the train, was not present.
May 14, 2015   The Washington Post - Wonkblog
A northbound Amtrak Northeast Regional train derailed after leaving the Philadelphia Amtrak station around 9:30 p.m, on May 12. The scene was called a disaster, with the first of the seven cars that derailed severely crushed. No cause was given.
May 13, 2015   The Washington Times
The emergency rules issued by DOT, including lowering oil-train speeds to 40 mph in urban areas, go into effect on April 20. They are in addition to rules expected to be released May 12 that address oil tanker car construction.
Apr 20, 2015   The New York Times - Energy & Environment
While all four passenger cars derailed in Tuesday morning's crash with a pickup truck, three on their sides, experts indicate that the new cars likely prevented far greater damage. Also covered is the locomotive push-pull issue and grade separations.
Feb 26, 2015   Los Angeles Times
A column in The Week argues that notwithstanding Tuesday's horrific crash of a Metro-North train that killed five passengers, rail is a much safer mode than driving. However, rail deaths are increasing.
Feb 8, 2015   The Week
The commuter train had left Grand Central Terminal on Tuesday evening and hit the Jeep at a grade crossing in Valhalla, Westchester County at 6:30 pm. Five passengers died in the lead car of the train which was engulfed in flames from the impact.
Feb 4, 2015   Transportation Nation
In what is being billed as the first emergency order of more to come, the Department of Transportation (DOT), the federal regulator of transporting crude oil by rail, hopes to quell the growing national furor over what some call 'ticking time bombs'.
May 9, 2014   The Tribune
Transport Canada jumped past U.S. DOT on April 23 by taking decisive action on "exploding" oil tank cars that are traveling throughout North America due largely to an insufficient oil pipeline network. Within three years, the older cars must go.
Apr 25, 2014   The Olympian
In the first case of its kind, federal regulators fined three oil companies for allegedly either failing to test, or improperly testing crude from the Bakken Shale in N.D., resulting in rail companies not knowing which type of oil tanker cars to use.
Feb 6, 2014   The Wall Street Journal