This convoy was no small undertaking, for it was to operate under “wartime conditions” and assumed that “railroad facilities, bridges, tunnels, etc., had been damaged or destroyed by agents of an Asiatic enemy.”Eisenhower Library collection captures how easily these relatively new Army vehicles could easily damage the nation's fragile infrastructure. But the "wartime" conditions with troops reliant on their supply train were undermined by locals who tried to fatten up the troops, as seen in this old photo from the National Archives. In Ohio, Harvey Firestone treated the troops to a picnic.
In the end it sounds like a successful convoy. "Despite all the hazards, the convoy lost only two vehicles to accidents, and one that rolled down a mountain beyond reach, in the thirty-two-hundred-mile trek."
It is fascinating to think how responsible this little excursion is for today's Interstate highways and the sprawl that they enabled.
(h/t The Frank Popper)