A trailer is not very difficult to categorize. In general, it is an unpowered vehicle towed by a powered vehicle. Trailers are most commonly used for the transport of goods and materials. Although some do enjoy recreational usage of trailers as well.
The Department of Transportation (DOT) is the most common government agency thatis devotedto transportation in the United States.The DOT is the largest United States agency with the sole purpose of overseeing interstate travel.The U.S., Canadian provinces, and many other local agencies have a similar organization in place. This way they can provide enforcement through DOT officers within their respective jurisdictions.
In some states, a business route is designated by adding the letter "B" after the number instead of placing a "Business" sign above it. For example, Arkansas signs US business route 71 as "US 71B". On some route shields and road signs, the word "business" is shortened to just "BUS". This abbreviation is rare and usually avoided to prevent confusion with bus routes.
Full truckload carriersnormallydeliver a semi-trailer to a shipper who will fill the trailer with freight for one destination.Once the traileris filled, the driver returns to the shipper to collect the required paperwork.Upon receiving the paperwork the driver will then leave with the trailer containing freight. Next, the driver will proceed to the consignee and deliver the freight him or herself. At times, a driver will transfer the trailer to another driver who will drive the freight the rest of the way.Full Truckload service (FTL) transit times are generally restricted by the driver's availability. This is according to Hours of Service regulations and distance.It istypicallyaccepted that Full Truckload carriers will transport freight at an average rate of 47 miles per hour. This includes traffic jams, queues at intersections, other factors that influence transit time.
Although there are exceptions, city routes areinterestinglymost often found in the Midwestern area of the United States. Though theyessentiallyserve the same purpose as business routes, they are different. They feature "CITY" signs as opposed to "BUSINESS" signs above or below route shields. Many of these city routes are becoming irrelevant for today's transportation. Due to this, they are being eliminated in favor of the business route designation.