by Jeff Tuzik Squats and studs (squat-type defects) are a topic of discussion and debate in the world of wheel/rail interaction. Their similarity in appearance leads many experienced track people to misidentify them, and the urgency with which they need to be addressed. As previously reported in Squats & Studs: Emergent …
by Jeff Tuzik Wheel Rail Seminars named Mike Roney, Principal of Iron Mustache Consulting, and retired General Manager, Track and Structures and Chief Engineer with Canadian Pacific, the recipient of the 2025 Worth Award. The award, presented at the annual Wheel/Rail Interaction Heavy Haul conference, is named for Art Worth, the …
by Jeff Tuzik Derailments have many causes. Some are fairly simple and straightforward, others involve a complex combination of factors and circumstances. Determining the root causes is what keeps derailment investigators busy, and what helps railroads avoid such derailments in the future. Over the years, and over the course of …
by Jeff Tuzik As Wheel Rail Seminars prepares to host it’s 30th annual Wheel/Rail Interaction Conference in Kansas City, it’s worthwhile to look back on how the “narrow” field of wheel/rail interaction has broadened and matured over the decades. The field of wheel/rail interaction is highly targeted; focusing on the …
by Bob Tuzik This article was originally published in Mass Transit (February 2022). SkyTrain, Vancouver’s iconic rail transit system, is a system in motion. Since the opening of the original Expo Line, named and timed to coincide with Expo 86, SkyTrain, which moves more than 115 million commuters per year pre-covid, …
by Bob Tuzik This article was originally published in Mass Transit (June 2023). Challenges abound in the design, construction, maintenance, and operation of light rail lines in urban areas. Chief among them is controlling track- and vehicle-born noise, an important part of maintaining the support of an agency’s various stakeholders, …
by Jeff Tuzik Rail grinding continues to evolve. Though still a standard part of the track maintenance and optimization toolkit, grinding programs look very different than they did when grinding programs first became commonplace in the 1980s. Preventive grinding, for example, has gone from niche to mainstream; it’s the target …
by Jeff Tuzik Maintenance is a balancing act. Time is limited, budgets are limited, resources are limited. These limited resources and the pressure to make the most out of tight maintenance windows often drives an ethos that places a premium on the speed and performance of maintenance actions, personnel, and …
by Jeff Tuzik The Great Dismal Swamp. An ominous name. And in June of 2019, it was the site of a Norfolk Southern derailment. At NS, all derailments are investigated to determine the cause(s) and to provide data that could help prevent future incidents. Brad Kerchof, formerly Director of Research …
by Jeff Tuzik Derailments happen. The minor ones cause damage and disruption; the big ones make the news. While there are derailments attributed to a single vehicle or track cause, often, the cause is the result of a combination of vehicle- and track-related contributing factors, underscoring that vehicle/track interaction is a …
by Jeff Tuzik Squats and studs (squat-type defects) are a topic of discussion and debate in the world of wheel/rail interaction. Their …
by Jeff Tuzik Wheel Rail Seminars named Mike Roney, Principal of Iron Mustache Consulting, and retired General Manager, Track and Structures and …
by Jeff Tuzik Derailments have many causes. Some are fairly simple and straightforward, others involve a complex combination of factors and circumstances. …
by Jeff Tuzik As Wheel Rail Seminars prepares to host it’s 30th annual Wheel/Rail Interaction Conference in Kansas City, it’s worthwhile to …
by Bob Tuzik This article was originally published in Mass Transit (February 2022). SkyTrain, Vancouver’s iconic rail transit system, is a system in …
by Bob Tuzik This article was originally published in Mass Transit (June 2023). Challenges abound in the design, construction, maintenance, and operation …
by Jeff Tuzik Rail grinding continues to evolve. Though still a standard part of the track maintenance and optimization toolkit, grinding programs …