地下通道欢迎车辆进入巴尔的摩港。隧道入口从日光过渡到照明通道，限速50英里每小时。前方跟踪镜头。

camera follows vehicles entering the Baltimore Harbor Tunnel as natural light fades into yellow overhead illumination. Green directional arrows guide traffic through concrete-lined walls while warning signs display speed and height restrictions. Bright ceiling lights create distinct transition from exterior daylight to interior tunnel lighting.

光厂(VJshi)视频提供地下通道欢迎车辆进入巴尔的摩港。隧道入口从日光过渡到照明通道，限速50英里每小时。前方跟踪镜头。视频素材下载，适用于地下的，沥青，汽车，交通，交通箭头标志等主题的内容创作。

作者署名：Alex Potemkin/Getty Images/Alex Potemkin/华夏视觉