A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic. It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head-on collision.
How does a Jersey barrier work?
Jersey Barriers are designed to redirect a crash, using the car’s momentum to absorb the impact and slide the vehicle up parallel along the side of the barrier to prevent a rollover.
What are the concrete barriers on highways called?
The Jersey Barrier — also known as a Jersey Curb, K-rail, or Jersey Wall — refers to the barricades you see along the center and sides of highways, at construction sites, in parking lots, and pretty much anywhere traffic is being directed.
Are Jersey barriers safe?
PROPERLY TESTED
It is not unusual to see temporary concrete barriers pinned to the ground and deemed to be safe to work behind. This method of pinning of concrete has never been tested using globally accepted test standards.
What are highway dividers called?
Median barriers are longitudinal barriers that separate opposing traffic on a divided highway and are designed to redirect vehicles striking either side of the barrier.
Why is it called NJ barrier?
They are named after the U.S. state of New Jersey which first started using the barriers as separators between lanes of a highway in the 1950s.
How long is a Jersey barrier?
12ft 6in long x 24in wide at base x 32in tall. weigh approximately 5,200 – 5,500lbs.
How are Jersey barriers moved?
A barrier transfer machine, also known as zipper machine or road zipper, is a heavy vehicle used to transfer concrete lane dividers, such as jersey barriers, which are used to relieve traffic congestion during rush hours.
Who makes Jersey barriers?
Shea Concrete Products, Inc.
Manufacturer of 5 ft. & 10 ft. highway median barriers for transportation applications. Types of barriers include double & single face, double face fence post & tapered barriers.
What is an Alaska barrier?
Similarly, the largest barriers, which stand around 20-foot-tall (6.1 m), are called Alaska barriers. Unlike the Jersey barrier, which has sloped sides at the base, some Texas and Alaska barriers have a rectangular ledge base, usable as a bench for sitting or resting and approximately knee-high for a typical adult.
What is the cost of a Jersey barrier?
$1,300.00
These jersey barriers are made to offer maximum durability and minimum maintenance, made in the United States. These rebar reinforced concrete jersey barriers meet the ASTM C33 and ASTM C150 standards for aggregates. Shipping is not included in price.
How heavy is a Jersey barrier?
The most common concrete jersey barricade size used is: 10 ft Long x 24 in Wide x 32 in High and weigh approximately 4,000 lbs.
What are the green things on highway medians?
The glare shields are added to portions of highway with shorter medians and are designed to block the glare and brightness of headlights from traffic headed in the opposite direction.
Why dividers are painted yellow and black?
White, yellow and black are most visible in fog and in dark surroundings. Not using them lowers visibility and increases glare, and results in more accidents. The purpose of the paint is to reflect light and make the dividers visible.
Why are there dividers on the road?
This can also be used in the railings of roads built on ghats and bridges to prevent people driving off the edge of the road. Also, this can be triggered to activate upon arrival of a train and warn people stepping over the yellow safety line.
What are the walls on the highway called?
If you are referring to these types of highway walls, the are called sound walls or sound barriers. They are there to reduce the highway noise from adjacent neighborhoods. If you are referring to these types of highway walls, the are called sound walls or sound barriers.
Why is K-rail called K-rail?
So which came first, the K-rail or the Jersey barrier? The answer is both! “K-rail” is simply the California-specific term to describe what the rest of the country refers to as “Jersey barriers.” Both terms refer to the same barrier design.
How much concrete do I need for a Jersey barrier?
Concrete Traffic & Safety Barrier 48″, 750 lbs. Concrete Traffic & Safety Barrier 48″, 480 lbs. Concrete Traffic & Safety Barrier 96″, 3,150 lbs.
How much does a cement K-rail weigh?
5ft Sticks Weigh: 2,000lbs
Each Size of K-Rail will serve different purposes.
Can you buy Jersey barriers?
Jersey Barriers for Traffic Safety
These jersey barriers are made to offer maximum durability and minimum maintenance. Available in a variety of colors and finishes to choose from. These rebar reinforced concrete jersey barriers meet the ASTM C33 and ASTM C150 standards for aggregates.
How heavy is a 20 Jersey barrier?
For more information and ordering please call (800) 947-1464. Weight Approx. 8000 lbs.
Contents