As an expert in transportation infrastructure and history, I can provide a detailed explanation of why the traffic control device is commonly referred to as a "Jersey barrier."
The term "Jersey barrier" is a colloquial name for a modular concrete or plastic barrier used to separate lanes of traffic on highways and roads. It is a type of safety barrier that is designed to prevent vehicles from crossing over into oncoming traffic lanes, thereby reducing the risk of head-on collisions. The barrier is also used to delineate lanes, provide a physical separation between opposing traffic flows, and to protect road workers and construction zones.
The Jersey barrier was developed in the 1950s, as part of an effort to improve road safety. The development of this barrier was spearheaded by the Stevens Institute of Technology in collaboration with the New Jersey State Highway Department. The barrier was introduced in its current form in 1959, and it quickly gained popularity due to its effectiveness in reducing accidents.
One of the primary reasons it is called a "Jersey barrier" is because of its origin. The name is derived from the U.S. state of New Jersey, where it was first developed and implemented. The barrier was named after the state to honor its role in the innovation of this traffic safety device. Over time, the term "Jersey barrier" became widely recognized and is now used internationally to describe this type of traffic control device.
The design of the Jersey barrier is both functional and robust. It consists of interlocking precast concrete or plastic segments that can be easily transported and assembled on-site. This modular design allows for flexibility in terms of the barrier's length and configuration, making it suitable for a wide range of road conditions and requirements. The barrier's height and curvature are also designed to redirect vehicles that may strike it, minimizing the risk of rollovers and further collisions.
In addition to its safety benefits, the Jersey barrier also serves a number of other purposes. It can be used to create temporary or permanent barriers, delineate construction zones, and protect roadside workers during maintenance activities. The barrier is also low-maintenance and durable, making it a cost-effective solution for long-term use.
Despite its many advantages, the Jersey barrier is not without its critics. Some argue that it can be an eyesore and detract from the aesthetic appeal of the landscape. There have also been concerns about the barrier's impact on wildlife, as it can act as a barrier to the movement of certain species. However, these concerns have been addressed through the use of more environmentally friendly materials and designs.
In conclusion, the Jersey barrier is a critical component of modern road safety. Its development in New Jersey in the 1950s marked a significant step forward in the prevention of head-on collisions and the protection of motorists. The name "Jersey barrier" is a testament to the state's contribution to this important innovation in transportation infrastructure.
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The Jersey barrier, also called New Jersey wall, was developed in the 1950s (introduced in current form in 1959), at the Stevens Institute of Technology, New Jersey, United States, under the direction of the New Jersey State Highway Department to divide multiple lanes on a highway.read more >>