Jerome D. Cossel Sr., 72, of King of Prussia, a retired railroad civil engineer, died of pneumonia Thursday at Montgomery Hospital in Norristown.

Mr. Cossel grew up in Fayette County, in western Pennsylvania, where his father was a coal miner. He attended Cleveland State University, and recently traveled to Hawaii for a reunion of his college fraternity, Lambda Tau Delta.

After graduating with a degree in civil engineering, Mr. Cossel embarked on a railoading career. He worked in New York, New Jersey, Michigan and Pennsylvania for the New York Central and the Penn Central, and then for 20 years with Conrail. In 1996, he retired as chief engineer of design and construction for Conrail. He was past president of the Roadmasters and Maintenance of Way Association of America.

Mr. Cossel enjoyed gardening; sports, especially Phillies baseball and college basketball; socializing with former railroad colleagues; and vacations with his grandchildren at the Eastern Shore of Maryland.

He is survived by his wife of 51 years, Patricia Ann Oswald Cossel; sons Jeffrey, William, Terry and Jerome; daughters Catherine Nott, Victoria Speight, Mary Shayka and Jennifer Hooven; a brother; a sister; and 19 grandchildren.

Friends may call from 6 to 9 p.m. today at Moore Funeral Home, 708 Fayette St., Conshohocken, and from 9 a.m. tomorrow until a Funeral Mass at 10:30 a.m. at Mother of Divine Providence Church, 333 Allendale Rd., King of Prussia. Burial will be in Calvary Cemetery, West Conshohocken.