A0 Bucharest Ring Motorway
Outer motorway ring around Bucharest, about 101 km when complete, running beyond the existing Bucharest Ring Road and linking the A1, A2 and A3 motorways. The southern half-ring (51.3 km) was completed in stages between December 2023 and July 2025. On the northern half-ring, the DN1–A3–DN2 section opened in November 2023 and December 2024; the western (A1–DN1) and eastern (DN2–A2) lots are still under construction.
- Total length
- 101 km
- Open today
- 69 km
- Under construction
- 32 km
- Sections
- 4
- Cost on record
- €962.902M
- 2 of 4 sections carry a comparable figure
Restated into EUR at 2025 prices.
Sections
| Sections | Status | Length | Timeline | Cost | Funding | Contractors | Contract terms |
|---|---|---|---|---|---|---|---|
| South half-ring: A1 – A2 South ring tendered July 2017: 52 km, €580M, completion estimated after 2022; execution contracts signed with Alsim Alarko (lots 1–2, March 2019) and Aktor (lot 3, April 2019) | Opened | 51 km |
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| Contract value €580M |
| North half-ring: A2 – DN2 Bucharest ring motorway, found eligible for EU financing after the 2016 traffic studies. OpenStreetMap tags construction:opening_date=2026 on the A0 Nord Lot 3 (Afumați–Pantelimon) and Lot 4 (Pantelimon–Manolache) construction ways | Under construction | 14 km |
| – |
|
| – |
| North half-ring: DN2 – DN1 (via A3) North ring lot 2 (Corbeanca–Afumați, 19 km): Spedition UMB entered site November 2021, building permit issued July 2022 | Opened | 18 km |
| – |
|
| 22 mo execution · Contract value lei 831.92M |
| North half-ring: DN1 – A1 (via Buftea) Bucharest ring motorway, found eligible for EU financing after the 2016 traffic studies. OpenStreetMap tags construction:opening_date=2026 on the A0 Nord Lot 1 (Bâcu–Corbeanca) construction ways | Under construction | 18 km |
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| – |
Contractor roles are as recorded in the award. Only builders count toward the delivery rankings.
Funding
- European Union101 km4 sections
- Found eligible for EU funding after 2016 traffic studies (no EU financing was sought under the 2014 General Transport Master Plan)
- EU funds
- National budget101 km4 sections
A section that lists two sources counts its full length under each: the data records which sources paid, not what share each one carried.
Related projects
- HighwaysA7 Motorway (Moldavia Motorway)Same contractor: Impresa Pizzarotti, Retter, Spedition UMB
- HighwaysA10 motorway (Sebeș–Turda)Same contractor: Aktor, Impresa Pizzarotti
- HighwaysA3 Bucharest–Brașov MotorwaySame contractor: Impresa Pizzarotti, Spedition UMB
- HighwaysA1 Bucharest–Nădlac MotorwaySame contractor: Spedition UMB
- HighwaysA3 Transylvania Motorway (Brașov–Cluj–Borș)Same contractor: Spedition UMB
- HighwaysA8 Târgu Mureș–Iași–Ungheni Motorway (Unirii)Same contractor: Spedition UMB