How Do Traffic Signals Work?
12:37
YouTubePractical Engineering
How Do Traffic Signals Work?
Traffic management in dense urban areas is an extremely complex problem with a host of conflicting goals and challenges. One of the most fundamental of those challenges happens at an intersection, where multiple streams of traffic - including vehicles, bikes and pedestrians - need to safely, and with any luck, efficiently, cross each others ...
已浏览 276.1万 次2019年5月14日
短视频
13 Alert Traffic: Check Houston-area traffic map for current road conditions and drive times
13 Alert Traffic: Check Houston-area traffic map for current road conditions and
Traffic Lights Explained - Learn What US Traffic Signals Mean
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Traffic Lights Explained - Learn What US Traffic Signals Mean
Zutobi Drivers Ed
Railroad Crossing Accidents
Railroad Crossing | NHTSA
Railroad Crossing | NHTSA
nhtsa.gov
2020年1月13日
TRAIN HITS CAR: Video released by a Florida passenger train service shows the moment where a driver attempted to travel through a railroad crossing with the gate down. The driver was seriously injured in the crash. | Gray Media Digital Content Center
0:31
TRAIN HITS CAR: Video released by a Florida passenger train service shows the moment where a driver attempted to travel through a railroad crossing with the gate down. The driver was seriously injured in the crash. | Gray Media Digital Content Center
FacebookGray Media Digital Content
已浏览 23.6万 次2022年2月16日
Video shows train colliding with vehicle attempting to go through railroad crossing
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Video shows train colliding with vehicle attempting to go through railroad crossing
weau.com
2022年2月16日
热门视频
8 - SIGNAL INTERSECTIONS - Rules of the Road - (Useful Tips)
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8 - SIGNAL INTERSECTIONS - Rules of the Road - (Useful Tips)
YouTubeCalifornia DMV
已浏览 23.7万 次2020年8月26日
Traffic (2000) ORIGINAL TRAILER [HD 1080p]
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Traffic (2000) ORIGINAL TRAILER [HD 1080p]
YouTubeHD Retro Trailers
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Watch the incredible footage of a 50-lane holiday traffic jam in China
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Watch the incredible footage of a 50-lane holiday traffic jam in China
YouTubeBusiness Insider
已浏览 84.7万 次2017年1月3日
Railroad Crossing Signals
Google Maps starts showing railroad crossing alerts during navigation
Google Maps starts showing railroad crossing alerts during navigation
9to5google.com
2021年3月3日
28 reactions · 18 shares | It’s always important to know the #RailSafety signs and signals. Learn more here: ​https://oli.org/safety-near-trains/track-safety-basics/rail-signs-and-signals | Operation Lifesaver Inc. | Facebook
0:32
28 reactions · 18 shares | It’s always important to know the #RailSafety signs and signals. Learn more here: ​https://oli.org/safety-near-trains/track-safety-basics/rail-signs-and-signals | Operation Lifesaver Inc. | Facebook
FacebookOperation Lifesaver Inc.
已浏览 193 次1 周前
Railroad Crossing Signs: Safety Measures and Meanings Explained
Railroad Crossing Signs: Safety Measures and Meanings Explained
TikTokthe.sign.guy
已浏览 340万 次2022年10月31日