The earliest drunk driving laws in the United States date to 1906, not long after cars became more common. In 1941, states specified a level of intoxication, or blood alcohol content. At the time, a person would have to have a BAC of 0.15% or higher within two hours of arrest to be considered too […]
The HDS Truck Driving Institute estimates that a combined fleet of over two million semi-trucks are on the road today. The engine alone for a semi can weigh up to 3,000 pounds, and they can tow up to 40 tons of cargo, and a single truck driver will typically travel about 45,000 miles every year. […]
One of the most fundamental elements of traffic is which side of the road a person drives on. Here in the United States, most people take this rule of the road for granted. It’s as normal to Americans as apple pie and the flag. However when traveling overseas, many accidents can occur because people are […]
Road signs are the primary method of delivering important information along freeways, streets and by-ways, and most people don’t give road signs a second thought. But just imagine the chaos that would ensue if speed placards weren’t posted, or warning signs for curves ahead were missing. In the event you notice a damaged or missing […]
Roadway signage maintains safety and efficiency of traffic by conveying information to drivers regardless of language. Many different colors and shapes speak to different meanings, with yellow signs on the road functioning as general warning messages, green conveying directions or traffic movements, and brown signs along the highway indicating sites of recreation or cultural interest. […]