Carroll was a 1957 graduate of North Hagerstown High School. He earned a bachelor’s degree from the University of Maryland in Mechanical Engineering.

News & Products for the week of December 29th 2025 Model railroad operators and builders can get the latest information about locomotives, freight cars, passenger cars, tools, track, and more by ...

On the Lego ideas website, fans are encouraged to submit product ideas online — the site includes ideas for cars, trains, ...