Track Maintenance

LiDAR, a tool for the “virtual world”

LiDAR (Light Detection and Ranging), a form of remote sensing, uses laser light pulses to gather information from surfaces in the form of “points” (3D coordinates). The data is processed with point

Bells & Whistles—5/1/20

Union Pacific train derails in downtown Rockford, Ill. Groups want transit, not highway work, in New Jersey. Repairs to Ottawa light rail line will be done sooner. Sound Transit tries to figure

Traffic lull allows for more PTC work

The reduced traffic on railroad and transit lines resulting from COVID-19 has allowed roads, particularly transit operations, to catch up on their installation and testing of positive train control (PTC) according to

Bells & Whistles—4/10/20

RT&S Editor-in-Chief Bill Wilson covers the top stories the magazine was covering the week ending April 10. Port of Long Beach gets millions from U.S. DOT. NTSB rules on CSX derailment in