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From bottleneck to future-proof mobility in Zaanstad
- EIFFEL Projects
The N516, Thorbeckeweg, is a major traffic artery for Zaanstad. But daily traffic jams, unsafe bike routes, and a growing number of commuters made one thing clear: the region was stuck. In 2030, over 62,000 cars per day are expected, compared to 48,000 now. To handle this growth without further pressure on livability, accessibility, and safety, action is needed.
Smart infrastructure on the N516 through partnership between government and EIFFEL Projects
The challenge
The Thorbeckeweg is one of the main access routes to Zaandam, but it's been a source of frustration for years. Traffic flow stalls, road safety is under pressure, and there's no room for growth. Meanwhile, the city is expanding rapidly and the regional economy-from logistics to retail-faces increasing strain.
The task? Build future-proof infrastructure on a relatively small 3-kilometer stretch, without disrupting the daily operations of residents, cyclists, public transit users, and businesses. There are 4 public partners involved and an investment of over 100 million euros.
The approach
Through the AVANT program (Traffic Congestion Approach Ambacht N516 Thorbeckeweg), the municipality of Zaanstad works with the province of Noord-Holland, Vervoerregio Amsterdam, and EIFFEL Projects on sustainable and safe development of the N516.
Since 2023, phased construction includes:
- A new tunnel for through traffic
- Two underpasses for cyclists
- A bicycle and pedestrian bridge toward the Achtersluispolder
- A robust connection with the A8 and surrounding neighborhoods
Execution happens in phases. The key milestone is the start of the underpass at the Vijfhoek in July 2025. Meanwhile, traffic keeps moving through smart phasing and temporary detours. Completion is scheduled for summer 2027.
EIFFEL Projects supports the municipality of Zaanstad and other stakeholders with comprehensive project management. From risk management to planning control and stakeholder alignment: we provide structure and progress, especially when interests diverge and pressure mounts.
The result
The project significantly improves accessibility and safety in Zaanstad. Key impacts:
- Mobility: smooth traffic flow for cars, public transit, and bikes. Fewer traffic jams, shorter travel times.
- Safety: safer crossings for pedestrians and cyclists through tunnels and bridges.
- Sustainability: improved green infrastructure, water quality, and CO2 reduction through the Concrete Agreement.
- Economy: new opportunities for businesses along the North Sea Canal, better accessibility for employees and suppliers.
Bottom line
The redesign of the N516 isn't a simple road project. It's a strategic investment in mobility, sustainability, and livability. Through sharp project management and smart collaboration, EIFFEL Projects accelerates the renewal, with results for residents, businesses, and future growth.