Light engines for the 37A head east across the historic Rockville bridge.
| Time and Date: 9:42 AM, Tuesday, May 25, 2021 | |
| Susquehanna Township, Dauphin County, Pennsylvania | |
| Approximate Latitude: 40° 19′ 58″ N (40.33295° ) | |
| Approximate Longitude: 76° 54′ 43″ W (-76.91213° ) | |
| Railroad: Norfolk Southern Corp. [NS ] | |
| Subdivision: Pittsburgh Line | Approximate Milepost: 110.5 |
| Camera Make: DJI | Camera Model: FC7303 |
| Shutter: 1/640 | Aperture: 2.8 |
| ISO: 400 | Focal Length: 4.5 mm |
| White Balance: | Lens Range: |
| Exposure Mode: Manual | Focus Mode: |
