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高速公路交通标志不仅是减少交通延误的重要交通设施,而且对行车安全有着重要的辅助作用。针对现有高速公路交通标志设计和设置现状和存在的不足之处,文章基于城市道路现有太阳能交通标志,结合高速公路交通警示灯的设计思路,提出了一种高速公路LED交通标志设计方法。解决了由于外界光线量的降低使得高速公路交通标志变得不清晰,不容易视认的问题。改进后的LED交通标志,即使在自然环境光线不明晰的情况下也可清晰可见,提高了交通标志视认性和设置的有效性。
Expressway traffic signs not only reduce traffic delays important transport facilities, but also has an important role in driving safety. Aiming at the current status and existing shortcomings of the design and setting of existing traffic signs in expressways, this paper proposes a design method of express signs of LED traffic signs based on the existing solar traffic signs in the urban roads and the design ideas of expressway traffic warning lights. It solves the problem that traffic signs on expressways become unclear and not easily recognized due to the decrease of light amount of the outside world. Improved LED traffic signs, even in the absence of clear light in the natural environment can be clearly seen, improve the visibility of traffic signs and set the effectiveness of.