| Sonora State Highway 40 | |
|---|---|
| Carretera Estatal de Sonora 40 | |
| Major junctions | |
| From: | San Luis Rio Colorado |
| To: | Golfo de Santa Clara |
| Highway system | |
| Highways in Sonora | |
Sonora State Highway 40 (Carretera Estatal 40) is a highway in the north-west of the Mexican state of Sonora.
It runs from San Luis Rio Colorado to Golfo de Santa Clara.