In the US tere's a lot of 419.99 and 68.99 mile markers because 420 and 69 keep getting stolen. : r/mildlyinteresting
Your Tax Dollars Are Hitting the (Side of the) Road | Fox News
Answer Man: Why does MoDOT use so many mile-marker signs?
Why Do Highways Have Mile Markers? | Wonderopolis
Multiple States Forced to Replace 420 Mile Markers With 419.9
Missouri Department of Transportation: Emergency Markers Make for a Still Merry Christmas
Why Are There So Many Mile Markers on I-94?
The two sets of cross-reference markers | Download Table
Mile Markers | Guide Road Signs
Event Signage | Race Signage | Mile Markers | AMI Graphics
File:Mile Marker 23.svg - Wikimedia Commons
List of reference routes in New York - Wikipedia
Confluence Mobile - AWR Knowledgebase
Opinions on our mile markers? : r/NianticWayfarer
File:Oklahoma small reference marker.jpg - Wikimedia Commons
Why Do Highways Have Mile Markers? | Wonderopolis
New mile markers sign of the times | Local News | eagletribune.com
Highway Trivia Mile Markers - Thor Motor Coach
Why are there new mile marker signs on N.J highways? Ask @CommutingLarry - nj.com
Washington State Wants to Stop Theft of Mile 420 Signs. Its Solution? Mile 419.9. - The New York Times
Reference marker - Wikipedia
