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Columbian President Showed up to Congratulate the Handover of the Tunnel Tesalia
The celebration of the handover of the Tesalia Tunnel in Cafeter ono District is grandly held on December 21st, 2021. Mr Ivan Duke, the President of Columbia and the representatives from the local transportation department presented and congratulated this gala. At present, this project has been handover up to 70 kilometers. The completion of the Tesalia Tunnel will insert vitality into local transport construction. As a LED signals provider of the Tesalia Tunnel , Chainzone has provided a series of traffic signal products, such as lane indicators, speed limit signs and variable message signs with lens. The safety issue of the tunnel is worth great attention that driving in the dim environment may easily cause traffic congestion or accidents. Products from Chainzone have good performance in clear display with high brightness that can have outstanding warning effect even in the dark light. Different from the traditional traffic signal products, the products used in this project, such as lane indicators, speed limit signs and variable message signs with lens are of the optical performance advantages of high brightness and low power consumption. Meanwhile, facing the problem of high difficulty in maintaining, the products from Chainzone are stable and reliable, dampproof, anti-corrosion, with protection level of IP65, which can greatly lengthen its service life. The Tesalia Tunnel is predicted to be completed in August,2022, which will undoubtedly improve the mobility of the whole district and strengthen the connection of Columbia. Chainzone wishes to bring more LED traffic products of good quality around the world and energize worldwide transportation projects.
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Light indication of traffic lights
Traffic lights are a group of lights consisting of three unpatterned circular units of red, yellow, and green to guide the passage of motor vehicles. The non-motor vehicle signal light is a group of lights composed of three circular units with bicycle patterns in red, yellow and green to guide the passage of non-motor vehicles. When the green light is on, vehicles are allowed to pass, but turning vehicles must not obstruct the passage of straight vehicles or pedestrians that have been released. When the yellow light is on, vehicles that have crossed the stop line can continue to pass. When the red light is on, traffic is prohibited. At intersections where non-motor vehicle signal lights and pedestrian crossing signal lights are not set, non-motor vehicles and pedestrians shall pass according to the instructions of motor vehicle signal lights. When the red light is on, vehicles turning right may pass without obstructing the passing of vehicles and pedestrians.
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Knowledge about traffic lights
At the earliest, traffic lights only had two colors, red and green. Later, after improvement, a yellow light was added. The red light means stop, the yellow light means preparation, and the green light means pass. The reason why these three colors are used as traffic signals is also related to people's visual structure and psychological response. The human retina contains rod-shaped and three types of cone-shaped photoreceptor cells. The rod-shaped cells are particularly sensitive to yellow light, and the three types of cone-shaped cells are the most sensitive to red light, green light and blue light respectively. Because of this visual structure, it is easiest for humans to distinguish red from green. Although yellow and blue are also easy to distinguish, because the eyeball has fewer photoreceptors sensitive to blue light, it is better to distinguish between red and green. Traffic lights are not set arbitrarily. According to the optical principle, red light has a long wavelength, has a strong ability to penetrate the air, and is more noticeable than other signals. Therefore, as a signal for prohibition of passage, green is used as a notification signal because the difference between red and green is the largest, and it is easy to Distinguish (red-green color blindness is a minority after all). In addition, color can also express some specific meaning, to express hot or violent, the strongest is red, followed by yellow. Green has colder and calmer connotations. Therefore, people often use red for danger, yellow for warning, and green for safety.
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Do you know what traffic lights are?
Traffic lights are signal lights that direct traffic operations, generally consisting of red lights, green lights, and yellow lights. A red light means no passage, a green light means passage is permitted, and a yellow light means a warning. Traffic lights are divided into: motor vehicle signal light, non-motor vehicle signal light, pedestrian crossing signal light, direction indicator light (arrow signal light), lane signal light, flashing warning signal light, road and railway level crossing signal light. At the intersection, there are red, yellow, green and three-color traffic lights hanging on all sides. It is a silent "traffic police". Traffic lights are internationally unified traffic lights. A red light is a stop signal and a green light is a go signal. At the intersection, cars from several directions gather here, some have to go straight, some have to turn, and whoever goes first is to obey the traffic lights. When the red light is on, it is forbidden to go straight or turn left, and the vehicle is allowed to turn right without obstructing pedestrians and vehicles; when the green light is on, the vehicle is allowed to go straight or turn; when the yellow light is on, it stops within the stop line at the intersection or the pedestrian crossing line and has continued to pass; When the yellow light is flashing, warn the vehicle to pay attention to safety.
Read MoreForging “First-ring Innovation Circle”, Witnessing Big Pattern of Foshan
Up till now, Foshan First Ring Expressway, the longest orbital road in Guangdong Province has been grandly completed. At some 108.3 kilometers in length, the Foshan First Ring Expressway forms “First-ring Innovation Circle”, which regards Sanlong Bay as the core and builds high-edge innovation clusters along the road, to accelerate the transformation from “Made in Foshan” to “Intelligent Manufacturing in Foshan”. Chainzone provides a series of smart traffic signal solutions to Fojiang Highway, Fojiang North Highway, Guangfozhao Highway, Guangmingfo Highway and Foqingcong Highway. With a scientific system layout, our solutions can effectively relieve the traffic pressure on related roads and stimulate frequent communications among “Guangzhou-Foshan-Zhaoqing”, “Zhuhai-Zhongshan-Jiangmen” and “Shenzhen-Dongguan-Huizhou” economic circles. In this project, Chainzone has installed variable message indicators on the key road segments of these 5 highways. Variable message boards from Chainzone apply patents of lens technology which can greatly aggregate light to guarantee clear display with strong anti-glare and warning effect under smog and burning sun situations. Meanwhile, the no-louver design guarantees the indicators with the effect of self-clean that it would not cover by dust or snow. The aluminium cabinet with IP65 of protection level can achieve all-rounded and all-weather protection. Foshan First Ring Expressway has particularly important influences on improving “intelligent manufacturing in Foshan” that it links Guangdong-Hong Kong-Macao Greater Bay Area and collaborates the innovation ability of 5 districts of Foshan. Likewise, we believe that only high-quality products with good performance can support such a complex and huge traffic system. The strategy of the “First-ring Innovation Circle”
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