Hines was instrumental in the development of modern road infrastructure, advocating for better road maintenance and tree-lined parkways. His concept of painting a centerline on roads, first implemented in 1911, became a standard practice worldwide, significantly reducing head-on collisions and improving traffic organization. His efforts also helped establish Wayne County’s extensive parkway system, including the road that now runs through Hines Park from Dearborn to Northville.
As the chairman of the board for the Wayne County Board of Roads he championed the first full mile of concrete road in the world — a section of Woodward Avenue between Six Mile Road and Seven Mile Road. Running from Detroit River to Pontiac, Woodward Avenue is a significant thoroughfare in the Metro Detroit area, with sports complexes, cultural institutions, and historic landmarks lining the route. Hines was posthumously inducted into the Michigan Transportation Hall of Honor in 1972.