Ehime 42 map courtesy of Google Earth
| Length |
| 27.8 km |
| Route name |
| Kuma Nakayama line |
| Western terminus |
| Route 56, Iyo-shi Nakayama-cho |
| Eastern terminus |
| Route 380, Kumakogen-cho |
| Municipalities traversed (W to E) |
 Iyo-shi  Tobe-cho  Uchiko-cho  Kumakogen-cho |
| Tunnels |
| Taisarei (sp?) Tunnel - 615 m tunnel on Route 379/route 42 duplex |
Road intersections |
| Route 56 route 241 route 223 Route 379 (1.6 km duplex) route 220 Route 380 |
| Train line intersections |
| Yosan line (near Iyo Nakayama Station) |
| Notes |
| I didn't catch the tunnel name on Route 379... |