Colorado hopes a Mile 419.99 sign on Interstate 70 thwarts stoners
A map of the remaining 420-mile markers in the U.S. - The Washington Post
Interstate 70 in Colorado has a mile marker 419.99 since mile marker 420 kept getting stolen. - iFunny Brazil
Washington State forced to replace 'Mile 420' road sign with 'Mile 419.9' after weed enthusiasts keep stealing it
Stratton, CO - Milepost 419.99 (Gone) - Page 2
419.99 Mile Marker – Stratton, Colorado - Atlas Obscura
Sign along Interstate 70 has an unusual spelling for a Colorado town
Colorado replaces 'Mile 420' sign with 'Mile 419.9' sign because marijuana enthusiasts keep stealing it
419.99 Mile Marker on I-70
419.99 Mile Marker – Stratton, Colorado - Atlas Obscura
Stratton, CO - Milepost 419.99 (Gone)