| World / USA / Michigan / South Rockwood, 5 km from center | Coordinates: 42°5'3"N 83°18'54"W |
ESP Test Area
* Wet basalt tile (0.20 mu)
* Wet ceramic tile (0.16 mu)
* Brushed concrete (1.00 mu)
* Gravel/asphalt split test section
* Two-lane ASR circle 210' I.D.:
- Wet basalt tile lane
- Brushed concrete lane
* Wet ceramic tile (0.16 mu)
* Brushed concrete (1.00 mu)
* Gravel/asphalt split test section
* Two-lane ASR circle 210' I.D.:
- Wet basalt tile lane
- Brushed concrete lane
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