Bulletin #2337, Maine Farm Safety Program: Wagon Safety (PDF) By Dawna L. Cyr, Farm Safety Project Assistant, and Steven B. Johnson, Ph.D., Extension Crops Specialist For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Wagons used on the farm should be well designed and constructed. They