A Norfolk Southern SD70M leads UP's ZEMCH21 train. Another locomotive and 51 roadrailer trailers follow.
| Time and Date: 5:46 PM, Thursday, June 21, 2012 | |
| West Allis, Wisconsin | |
| Approximate Latitude: 43° 0′ 35″ N (43.00991° ) | |
| Approximate Longitude: 87° 59′ 48″ W (-87.99673° ) | |
| Railroad: Union Pacific RR Co. [UP ] | |
| Subdivision: Milwaukee | Approximate Milepost: 86.4 |
| Camera Make: Canon | Camera Model: Canon EOS 60D |
| Shutter: 1/400 sec | Aperture: F11 |
| ISO: 320 | Focal Length: 135.0 mm |
| White Balance: Sunny | Lens Range: 28-135mm |
| Exposure Mode: Manual | Focus Mode: AI Focus |
