Secret Kicks On This Private Section Of Route 66

Nikon D810, 1/500 sec, f/7.1, 40mm, ISO 200

Here is a Route 66 road mark not available to the average driver. This mark (and several just like it) is aboard Marine Corps Logistics Base Barstow, California. You need a military ID, or some other valid reason, to get past the guarded gate.

Marine Corps Logistics Base Barstow: 34.875544° -116.955875°