What is an ICC bar on a tractor trailer?
The ICC bar name derives from the Interstate Commerce Commission, an agency that once oversaw the transportation industry in the United States. It’s sometimes referred to as a rear impact guard (RIG), rear underride guard, a Mansfield bar or a DOT bumper.
What is a ICC bumper on a trailer?
Buyers Products Interstate Commerce Commission (ICC) bumpers provide underride protection. Designed for trucks only, the ICC Bumper from Buyers Products features heavy duty 4 in. structural steel construction and a corrosion-resistant black powder-coated finish.
How high is an ICC bar?
3.94 inches
The horizontal member of each guard must have a cross sectional vertical height of at least 100 mm (3.94 inches) at any point across the guard width. (6) Certification and labeling requirements for rear impact protection guards.
What is the bar on the back of a 18 wheeler called?
underride guard
That bar is called an underride guard, and while chances are you probably haven’t noticed them before, most semi-trailers are required to have them. They hang down off the backs of trailers and they’re supposed to keep cars from sliding underneath during an accident.
What does ICC stand for in trucking?
Interstate Commerce Commission
The Interstate Commerce Commission (ICC) formerly regulated the economics and services of specified carriers engaged in transportation between states from 1887 to 1995. The ICC was the first regulatory commission established in the U.S., where it oversaw common carriers.
What is an underride bar?
Those steel bars hanging from the truck’s platform bed are known as a “rear underride guards” or “rear impact guards.” They are designed to prevent vehicles from sliding underneath a trailer during a rear-end collision. car rear-end collision, both vehicles’ bumpers help to absorb the impact of the crash.
How high is an ICC bumper?
Size and Positioning of Rear Impact Guard The distance between the bottom of the bumper and the ground must not exceed 22 inches at any point. Finally, the rear surface of the guard must be within 12 inches of the rear surface of the truck, and its height must be at least 3.94 inches.
What is an ICC bar on a truck?
Rear guards on trucks and trailers were initially required in 1953, and are known as ICC bumpers (Interstate Commerce Commission), but such rear bumper devices are typically defective…. too high above the road, too narrow across the truck’s rear, and too weak to prevent the underride hazard.
Why do trucks have bars on the back?
Those steel bars hanging from the truck’s platform bed are known as a “rear underride guards” or “rear impact guards.” They are designed to prevent vehicles from sliding underneath a trailer during a rear-end collision. Unlike your average car, truck trailers and straight trucks do not have rear bumpers.
What is the back of a tractor trailer called?
The panels under the body of the truck are called aerodynamic panel skirts, side panels, or side skirts. The panels that hang off the back are often called rear tail fairings, trailer tails, or sometimes boat tails. Whatever you call them, their purpose is to reduce drag and save fuel.
What is a dot bar?
Shortly thereafter, the National Highway Traffic Safety Administration made it mandatory for all semi truck trailers to be fitted with under-ride bars, also called DOT bars or “Mansfield bars.” The steel bar hangs from back of the cargo area and is designed to stop a car before it rolls underneath the trailer.
Why was the ICC abolished?
The ICC was abolished in 1995, and its remaining functions were transferred to the Surface Transportation Board….Interstate Commerce Commission.
| Agency overview | |
|---|---|
| Formed | February 4, 1887 |
| Dissolved | January 1, 1996 |
| Superseding agency | Surface Transportation Board |
| Jurisdiction | United States |
Are there new standards for ICC bars on trailers?
New Standards for ICC bars. The National Highway Traffic Safety Administration (NHTSA) has published new standards requiring rear impact guards (ICC bars) on new trailers to meet size location and performance criteria, and to be certified at the time of manufacture.
How do you use the ICC bar?
The more practical use of the ICC bar is to literally hold the trailer in place as the trailer is at a dock door. I’ve placed the camera on the ground under such a trailer at an actual dock, then engaged the dock lock (or the DokLok), to allow you to see how such a mechanism grabs ahold of the trailer.
Why do truck trailers have bars under their tractor trailers?
You probably have seen one of those reflector-tape adorned bars hanging below the tractor-trailer in front of you at a red light or out on the highway. Turns out it’s known as a Mansfield bar, and it didn’t used to appear on truck trailers. It’s designed to help prevent you from recreating its namesake’s death.
What do the new NHTSA standards for rear impact bars mean?
The National Highway Traffic Safety Administration (NHTSA) has published new standards requiring rear impact guards (ICC bars) on new trailers to meet size location and performance criteria, and to be certified at the time of manufacture.