Core Viewpoint - The recent renovation of the Zhonghe Interchange in Hangzhou enhances the city's nightscape through innovative lighting design, creating a unique visual experience while improving traffic flow and safety [3][4]. Group 1: Project Overview - The Hangzhou Urban Management Bureau has completed a night lighting enhancement project for the Zhonghe Interchange, which has served the city for 28 years [3]. - The project features a "three-dimensional layered lighting system" that caters to different traffic needs, using 4000K warm white light for vehicle lanes and 3000K warm yellow light for non-motorized paths [3][4]. Group 2: Technological Innovations - The lighting design incorporates "invisible technology expression," with a 0.2 Hz ultra-slow frequency dimming that allows for a seamless visual transition between 40% and 100% brightness, reducing energy consumption while guiding traffic [4]. - The design emphasizes a "pure light color" philosophy, avoiding any distracting colored lights throughout the project [4]. Group 3: Community Impact - The renovation aims to enhance the user experience, with features like embedded diffuse reflection technology on non-motorized paths to eliminate harsh glare and custom micro lights on railings to ensure safety while creating a rhythmic light pattern [5]. - Citizens have expressed positive feedback, noting the warm ambiance created by the new lighting, which contributes to a safer and more pleasant nighttime journey [5].