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Highways
H4 expressway (Razdrto – Vrtojba)
The H4 expressway crosses the Vipava Valley between Razdrto and the Vrtojba border crossing. DARS lists the route in four construction sections.
- Total length
- 42 km
- Open today
- 42 km
- Sections
- 1
Category
Highways
Status
Opened
Under construction
Tendered
Planned
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Sections
| Sections | Status | Length | Timeline | Cost | Funding | Contractors | Contract terms |
|---|---|---|---|---|---|---|---|
| Razdrto – Vrtojba | Opened | 42 km |
| – | – | – | – |
Related projects
- HighwaysA1 motorway (Šentilj – Koper)Same country and category
- HighwaysA2 motorway (Karavanke – Obrežje)Same country and category
- HighwaysA4 motorway (Slivnica – Gruškovje)Same country and category
- HighwaysA5 motorway (Maribor – Pince)Same country and category
- HighwaysThird Development Axis North (Velenje – Slovenj Gradec)Same country and category
Sources
- DARS: H4 Razdrto – Vrtojba construction historyread Oct 11, 2026
- DARS: H4 Razdrto – Vipava, Rebernice section openingread Oct 11, 2026
- OpenStreetMap contributors: H4 route relation 1652350 (ODbL)read Oct 11, 2026
- Official Gazette of the Republic of Slovenia: Decree on the categorisation of state roads (2010), H4 route and lengthread Oct 11, 2026