Roads with pavement marking tests

[index]

In the Charlotte area around the airport there's a few unused roads that they seemed to have used to test whatever they use to make the runway markings with:
https://www.google.com/maps/@35.1958685,-80.9315479,3a,43.8y,295.88h,86.12t/data=!3m6!1e1!3m4!1sda8xcQz5OlF3ypzzH4ptpg!2e0!7i16384!8i8192
https://www.google.com/maps/@35.2038782,-80.9293244,3a,62.3y,235.16h,77.95t/data=!3m6!1e1!3m4!1sbnuf3YJc9p0BFDsi7C2Z0A!2e0!7i16384!8i8192
Any other situations like this? Road markings are also applicable.

[hbelkins]

Over the years, there have been several on I-64 in the vicinity of Frankfort.

[ErmineNotyours]

Vancouver, Washington.  501 Spur, state highway, and urban dumping ground.