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Slovenia
as of Oct 2026
- Total open
- 691 km#10 / 22
- Under construction
- 27 km#15 / 19
- Planned
- 18 km
- Projects
- 10
km per 1,000 km²: 34.1#1 / 22km per million people: 323.8#1 / 22
Measured against 20,273 km² and 2,135,107 inhabitants (Jan 2026).
By category
Highways
561 km#10 / 21
planned 18 km
7 sections
Railways
127 km#10 / 16
building 27 km
3 sections
Tunnels
4 km#3 / 5
1 section
Network growth
Busiest decade: the 2000s, with 372 km opened.
| km | Highways | Railways | Tunnels | |
|---|---|---|---|---|
| 2000s | 372 km | 372 km | 0 km | 0 km |
| 2010s | 298 km | 189 km | 109 km | 0 km |
| 2020s | 22 km | 0 km | 18 km | 4 km |
2000
2010
2020
HighwaysRailwaysTunnels
Mapped sections
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Delivery record
Cost and schedule outcomes for this country's sections, measured exactly as on the performance page.
- Median slip
- –n=0
- On time
- –
- Median overrun
- –n=0
- Sections
- 11
Furthest behind schedule
–
Delivered on time or early
No section here opened on or before its contract date.
Largest cost overruns
No section here records both an estimate and a final cost.
At or under budget
No section here came in at or under its estimate.
Openings timeline
Past openings
- Mar 18, 2026Karavanke road tunnel, second tube / Second tube, Slovenian half4 km
- Mar 2024Maribor – Šentilj railway upgrade / Maribor – Šentilj18 km
- Nov 30, 2018A4 motorway (Slivnica – Gruškovje) / Draženci–Gruškovje13 km
- Jun 2016Pragersko – Hodoš railway modernisation / Pragersko – Hodoš109 km
- 2011A2 motorway (Karavanke – Obrežje) / Karavanke – Obrežje175 km
- Aug 13, 2009H4 expressway (Razdrto – Vrtojba) / Razdrto – Vrtojba42 km
- Jul 2009A4 motorway (Slivnica – Gruškovje) / Slivnica – Draženci20 km
- Oct 2008A5 motorway (Maribor – Pince) / Maribor – Pince80 km
- Aug 12, 2005A1 motorway (Šentilj – Koper) / Maribor – Koper231 km
Scheduled openings
–
Projects in Slovenia
10 projects
- Highways · Slovenia
A1 motorway (Šentilj – Koper)
Opened231 km - Highways · Slovenia
A2 motorway (Karavanke – Obrežje)
Opened175 km - Highways · Slovenia
A4 motorway (Slivnica – Gruškovje)
Opened33 km - Highways · Slovenia
A5 motorway (Maribor – Pince)
Opened80 km - Railways · Slovenia
Divača–Koper second railway track
Under construction27 km - Highways · Slovenia
H4 expressway (Razdrto – Vrtojba)
Opened42 km - Tunnels · Slovenia
Karavanke road tunnel, second tube
Opened4 km - Railways · Slovenia
Maribor – Šentilj railway upgrade
Opened18 km - Railways · Slovenia
Pragersko – Hodoš railway modernisation
Opened109 km - Highways · Slovenia
Third Development Axis North (Velenje – Slovenj Gradec)
Under construction18 km
Sources
- CIA World Factbook 2025 (final edition), Slovenia, Geography: Area (total 20,273 sq km), via factbook.json
- Statistical Office of the Republic of Slovenia: Population, 1 January 2026
Sources for area and population only. Every project cites its own sources on its page.