This site was created and is maintained by Richard Lent. I am a former conductor previously qualified on CN, CSX, GCOR, NORAC, and NS rules. While actively working I created a web site for SMART-TD Local 168 (and shared with BLET) which featured signal practice along with other union related material. Utilizing the ProProfs.com platform for quiz delivery, over 25,000 practice exams have been taken by conductors, engineers, managers, and others.
Signalquiz.com was launched in 2021 as a way to continue providing signal practice exams to my brothers and sisters nationwide.