Bells & Whistles—The worst happens on extreme heat day

The top news stories of the week ending July 29.

The day when trains were not told to reduce speed during extreme heat, and the worst happened

Mexico pushes Mayan Train project construction, which could cost $20B and scar the environment

St. Louis MetroLink tunnels overwhelmed by heavy rainfall

HART reports millions in savings thanks to employee cuts, shift in light rail construction