Fitch was coaxed out of retirement by his friend Briggs Cunningham to help the Chevrolet Corvette effort at Le Mans in 1960 and later worked to develop traffic safety devices including the sand-filled "Fitch barrels".
Fitch foi sacado do seu retiro polo seu amigo Briggs Cunningham para axudar no proxecto de Chevrolet Corvette en Le Mans de 1960 e máis tarde traballou para desenvolver dispositivos de seguridade de tráfico, incluíndo os "barris Fitch" cheos de auga.