N33 Assen-Zuidbroek

The Netherlands
The successful transformation of the N33 to improve traffic flow, increase road safety, and support economic growth in the region
21st November 2012 Financial Close
2013 – 2014 Construction Period
20 years Concession Period
2034 Handback
N33 Assen-Zuidbroek

The background

The N33 is a 38-kilometer carriageway that connects the cities of Assen and Zuidbroek in the north of the Netherlands. The project involved upgrading an existing section of road into a dual carriageway, with two lanes in each direction, to improve traffic flow, increase road safety, and support economic growth in the region.  

In 2012, Rijkswaterstaat awarded Invesis the PPP contract to design, build, finance and maintain the dual carriageway. Although the infrastructure project was not part a major road scheme, upgrading the section of road was crucial to reduce accident rates and to make overtaking less dangerous on the busy road.  

Additionally, the N33 provides a vital link between the northern provinces of the Netherlands and the rest of the country. Meaning that the road plays a key role in improving the road network to ensure the efficient transportation of goods and services.  

Client

Rijkswaterstaat (The Ministry of Infrastructure and Environment)

Capital Value

€113m

Sponsor/Investor

Invesis

Consortium

Poort van Noord

Engineering, Procurement and Construction (EPC)

BAM Civil, BAM Roads, BAM IT

Operations and Maintenance (O&M)

BAM Civil, BAM Roads, BAM IT

Business value

Invesis has worked transparently with the client alongside our partners throughout the project’s lifecycle to successfully integrate sustainable solutions. The asset has been operational since 2014 and by partnering with Invesis, the project was delivered one year ahead of schedule in immaculate condition.   

The N33 Assen-Zuidbroek carriageway, is one of four Invesis led projects that placed in last year’s Global Real Estate Sustainability Benchmark (GRESB). GRESB is a globally recognised benchmark for assessing the Environmental, Social and Governance (ESG) performance of infrastructure assets worldwide.

The asset demonstrates a commitment to sustainability through the use of sustainable materials during construction and measures taken to protect surrounding biodiversity. 

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Key features

By using PPP model and by partnering with Invesis, the project… 

  • GRESB score (global responsibility environment sustainability benchmark) increased from 58 points in 2021 to 85 in 2022. Scoring is represented as a percentage (100 percent is the maximum) and the increased score is a result of better project management, operational performance and data collection 
  • is the first trial worldwide of this size for inflation-linked debt financing of infrastructure