Safe System Snippet 517: Type 2B signal pedestals = non-frangible. However, that rating only tells part of the story…
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𝗦𝗮𝗳𝗲 𝗦𝘆𝘀𝘁𝗲𝗺 (𝗽𝗿𝗼𝗷𝗲𝗰𝘁) 𝗦𝗽𝗼𝘁𝗹𝗶𝗴𝗵𝘁: Can travel time Variable Message Signs actually save lives?
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Kenngineering Notes: More proof that infrastructure can save lives
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