The key advantage of this highway signal pole is its long cantilever arm, which extends up to 8 meters to cover 6-8 highway lanes, ensuring traffic signals are visible to drivers from over 500 meters away. The conical pole design distributes wind load evenly across the structure, enabling it to withstand 14-grade winds (55 m/s) without deformation or displacement, a critical feature for open highway sections with frequent strong gusts. The 100-micron hot-dip galvanized coating provides permanent corrosion protection, eliminating the need for regular repainting and reducing long-term maintenance costs by up to 70% compared to powder-coated poles. The pre-welded cantilever arm with adjustable mounting brackets allows quick alignment of traffic signals, minimizing installation time on busy highways. The embedded foundation design with a reinforced base plate ensures stable fixation even in soft soil conditions common in rural highway construction areas. Additionally, the pole features a smooth surface finish that prevents dust and debris accumulation, ensuring consistent signal visibility throughout its service life.
The pole has a standard height of 10 meters, with customizable options from 9 to 12 meters to suit different highway lane widths and sightline requirements. The cantilever arm extends 8 meters horizontally, with a downward angle of 5° to optimize signal visibility for high-speed drivers. The wall thickness of 6 mm is calibrated to balance structural strength and material weight, with the pole weighing 950 kg (excluding accessories) for easy transportation and handling. The conical pole tapers from 320 mm at the base to 180 mm at the top, enhancing aerodynamic performance to reduce wind resistance. The flange base measures 550 mm x 550 mm x 18 mm, with 10 M28 anchor bolt holes for secure embedding into a 1.8-meter deep concrete foundation. Internal wiring channels with a diameter of 150 mm accommodate multiple power and signal cables, with a rubber gasket at the top to prevent water ingress. All manufacturing processes comply with ASTM A123 standards, and each pole undergoes a salt spray test for 72 hours to confirm corrosion resistance. The galvanized finish meets EN 10246-1 specifications, ensuring a uniform zinc layer that adheres tightly to the steel surface.
This cantilever traffic signal pole is specifically designed for highways, expressways, and intercity arterial roads with 4 or more lanes, where mid-road signal poles pose collision risks for high-speed vehicles. It is widely used in highway safety improvement projects, such as replacing outdated signal systems or installing new signals at highway interchanges and on-ramps. State transportation departments utilize this pole for smart highway initiatives, supporting the installation of adaptive traffic signals, variable message signs, and speed cameras to manage traffic flow and reduce congestion during peak hours. It is also suitable for rural highway sections with open terrain and strong crosswinds, where wind resistance is a critical performance requirement. Additionally, it can be deployed in toll plazas and border checkpoints to support traffic control and surveillance equipment, ensuring efficient vehicle flow and enhanced security. The durable galvanized coating makes it ideal for coastal highways, where salt-laden air can accelerate corrosion of unprotected steel structures.
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