The Mineral Springs Road flag stop parking lot. The lot is Highball Z scale light gray ballast held down by slightly thinned white glue. After it dried, I sanded the 'busy' parts of the lot with coarse sandpaper to simulate wear from vehicle traffic. A wash of raw sienna acrylic, followed a day or so later by a dry brushing of titanium white, completes the look.
Another view of the lot. The grayish flat spots in the lower right of the lot are where the flag stop shelter and the crossing signal will go.