GECX 2012 leads the consist west on the test track. It's not unusual to see a set of locomotives pacing back and forth all day, with GE engineering personnel making measurements during the runs, and adjustments between runs.
| Time and Date: 10:45 AM, Friday, October 16, 2015 | |
| Erie, Erie County, Pennsylvania | |
| Approximate Latitude: 42° 9′ 15″ N (42.1543° ) | |
| Approximate Longitude: 79° 59′ 31″ W (-79.99196° ) | |
| Railroad: East Erie Commercial RR [EEC ] | |
| Subdivision: Test Track | Approximate Milepost: 2.2 |
| Camera Make: Canon | Camera Model: Canon EOS 70D |
| Shutter: 1/250 | Aperture: 11.0 |
| ISO: 250 | Focal Length: 35 mm; FOV: 36.1 deg |
| White Balance: Daylight | Lens Type: EF28-135mm f/3.5-5.6 IS USM |
| Exposure Mode: Manual | Focus Mode: AI Focus AF |
