| Country: | HRV |
| Type: | D |
| Route: | 40 |
| Length Km: | 3.1 |
| Length Round: | 1 |
| Terminus A: | A7 in Sveti Kuzam interchange |
| Junction: | D8 near Bakar |
| Terminus B: | Port of Bakar |
| Counties: | Primorje-Gorski Kotar |
| Cities: | Bakar |
D40 is a state road connecting A7 motorway at Sveti Kuzam interchange,[1] to D8 state road and to Port of Bakar.[2] The road is 3.1km (01.9miles) long.[3]
The road, as well as all other state roads in Croatia, is managed and maintained by Hrvatske ceste, a state owned company.[4]