 | |
| Overview | |
|---|---|
| Headquarters | Arcata, California |
| Reporting mark | AMR |
| Locale | Redwood Empire |
| Dates of operation | 1854–1983 |
| Technical | |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
| Previous gauge | 3 ft 9+1⁄2 in (1,156 mm) |
| Other | |
| Reference no. | 842 |
The Arcata and Mad River Railroad (reporting mark AMR), founded in 1854, was the oldest working railroad in California. It operated on a unique narrow gauge until the 1940s when standard gauge rails were laid. Service ceased in 1983 due to landslides. It is California Historical Landmark #842.