 He later joined the New Jersey State Highway Commission.During his time there, he oversaw the first traffic circle in Camden, the first clover-leaf intersection and most importantly the Pulaski Skyway in 1932.Even though he had no railroad experience, Walter Kidde was the court appointed trustee of the bankrupt New York, Susquehanna and Western Railway from July 24, 1937 until his death in 1943.