The section from Km144+600 to Km145+500 on National Highway 6, located in Phu Tho Province, is a challenging area for traffic. According to the Road Management Zone I, this segment features a steep longitudinal gradient, combined with an asphalt concrete road surface that has endured years of use, leading to a high risk of skidding, especially during the rainy season.
Despite the comprehensive installation of road signage—including hazard warning signs, delineators, speed limit signs, emergency route indicators, yellow centerline markings, and continuous white edge lines—the risk of traffic accidents remains significant, with multiple incidents reported. The primary challenge lies in enhancing navigation and warning systems for drivers, particularly under adverse weather conditions when traditional thermoplastic markings lose effectiveness.
Innovative Solution
To address the limitations of traditional materials, a pilot project utilizing advanced technology and materials has been proposed and implemented to enhance traffic safety.
3M Company has collaborated with Road Management Zone I to deploy cutting-edge technology and materials aimed at improving traffic safety systems on the Km144+600 to Km145+500 segment of National Highway 6. 3M Company is fully funding this pilot initiative.
The selected material is 3M Stamark Tapes, a high-performance road marking tape. Specifically:
3M Stamark Tapes 380 AW (white) is used to reinforce both road edges.
3M Stamark Tapes 381 AW (yellow) is applied to enhance the centerline markings.
These materials comply with current road signage standards.
Advantages of 3M Stamark Tapes
This road marking tape is ideally suited for permanent markings on critical routes such as highways, national roads, and mountainous roads that demand high navigation precision.
Superior Retroreflectivity
The most notable feature of this material is its exceptional retroreflectivity compared to traditional thermoplastic markings. Its reflective performance remains consistent not only under normal conditions but also in adverse weather, such as rain or fog, where traditional thermoplastic markings fall short. This significantly enhances safety and ease of travel.
Construction and Durability
3M Stamark Tapes 380 AW operates through a system of microcrystalline ceramic beads embedded in a polymer base, coated with a hard polyurethane layer. Utilizing advanced pressure-sensitive adhesive (PSA), the product boasts exceptional durability, manufactured in the USA to high standards, and has proven its longevity in applications across countries like the USA, Germany, and several European nations.
Cost-Effectiveness and Installation Efficiency
Beyond safety enhancements, the use of this road marking tape reduces installation and maintenance costs due to its superior durability compared to traditional thermoplastic markings.
The pilot application of 3M Stamark Tapes on the Km144+600 to Km145+500 segment of National Highway 6 marks a significant step in adopting advanced technology and materials to elevate traffic safety standards. This solution not only improves navigation under poor weather conditions but also offers long-term benefits in durability and maintenance costs, paving the way for broader implementation on other critical routes.
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