What’s a Post Mile Marker?
- For The Madera Tribune
- Sep 6
- 1 min read
You’ve seen them along California highways, but do you know what they mean?
Post mile markers help Caltrans, CHP, and emergency responders pinpoint exact locations on the road. Whether it’s a crash, a hazard, or roadwork, knowing how to read these markers can make all the difference in getting help quickly.
Top of the marker is the highway number and county.
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