Netherlands Awards €368M A27 Everdingen–Hooipolder Highway Upgrade Contract to ASONE

The Dutch infrastructure authority Rijkswaterstaat Major Projects and Maintenance has awarded a major road construction and maintenance contract for the A27 Everdingen-Hooipolder corridor, one of the Netherlands’ busiest transport routes. The contract has been awarded to ASONE, marking a significant milestone in national mobility and infrastructure modernization.

Contract Award Overview

The contract award notice (Reference 31127608) was published on 6 February 2026, following the contract signing on 5 February 2026. The project carries an estimated value of €368,379,054.89 and falls under CPV codes for road construction, bridge works, and inspection services.

This awarded tender covers the realization and long-term maintenance of the A27 Everdingen-Hooipolder section.

Project Scope and Key Works

The A27 Houten-Hooipolder project spans approximately 47 kilometers and crosses eight municipalities, three provinces, and several major waterways, including some of Europe’s busiest river and shipping routes.

Key components of the contract include:

• Widening of the A27 highway and addition of rush-hour lanes

• Demolition and replacement of bridges over the Boven Merwede near Gorinchem

• Construction of new bridges over the Bergsche Maas near Geertruidenberg

• Upgrades to the Hooipolder interchange with a grade-separated connection

• Creation of a new Gorinchem De Groote Haar junction

• Improvements to A59 connectivity and traffic flow

• Maintenance of national road infrastructure during construction and operational phases

Strategic Importance for Dutch Mobility

The A27 corridor is frequently ranked among the most congested highways in the Netherlands, making this government contract a critical investment in national transport infrastructure.

The project aims to:

• Reduce congestion and travel times

• Improve road safety and traffic flow

• Strengthen connections between key economic regions

• Support freight and logistics efficiency

• Ensure reliable infrastructure across major river crossings

The inclusion of bridge replacements is particularly significant due to the Boven Merwede’s status as one of Europe’s busiest inland shipping routes.

About the Winning Contractor

ASONE, based in Nieuwegein, will lead the design, construction, and maintenance phases. The company brings expertise in large-scale infrastructure projects and long-term asset management.

What Comes Next

Following the contract award, the project will move into detailed planning and construction phases. The works will be delivered while maintaining traffic flow and infrastructure operations.

This awarded tender highlights the Netherlands’ continued investment in smart mobility, road safety, and resilient transport infrastructure.

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