They walked up the bumpy dirt road, one on each side of the grass strip in the middle. "Joe Burke's Last Stand" by John Moncure Wetterau

This road across a patch of the desert was usually so bumpy one had to hold himself down. "The Desert Fiddler" by William H. Hamby

Such accidents do happen, even to the newest cars, and the inhabitants of the Five Towns laugh when they hear a bumpy car as they laugh at Charley's Aunt. "The Matador of the Five Towns and Other Stories" by Arnold Bennett