Harley-Davidson and a few other companies started making and selling motorcycles in the United States around 1900. By about 1910, motordomes, or wooden race tracks, were popular in Los Angeles and other cities. Spectators gathered along the edge of the track and watched motorcycles, which did not have brakes, race at speeds over 100mph, an…
On the map, an almost perfectly straight line connects Cincinnati and Waldron, Michigan, which is just across the Ohio state line. Likewise, State Highway 127 is an almost perfectly straight line. This design efficiently moves traffic from Point A to Point B. But it also contributes to fatigued driving, which is a serious problem in…
The intersection of New Carlisle Pike/Lower Valley Pike and State Route 4 is one of the most dangerous stretches of roadway in Ohio. The expressway-like intersection is uncontrolled, and the median is too narrow to permit safe large truck left turns. Between 2012 and 2018, more than a dozen crashes at this intersection killed three…
Highway 275, the third-largest urban loop in the nation, which encircles Cincinnati and goes through three states, is known for its numerous sharp curves. Near Harrison, Fort Thomas, and several other spots, these curves are almost 90 degrees. Engineers usually make sharp curves to cut down on fatigued driving wrecks. That is a noble goal.…
The freeway that won the coveted Hayes Award for the nation’s best asphalt-paved surface sees more than its share of accidents. Highway 70 replaced the old U.S. Highway 40. The first section opened in 1959; construction was complete by 1968. Today’s cars and trucks are much faster and heavier than they were in the 1960s.…
