Rs1 Billion Bypass Proposed to Revolutionise Access to Mauritius’ West Coast

A major infrastructure project aimed at decongesting the route to the western coast of Mauritius has taken a significant step forward following the submission of a formal environmental impact assessment.

The Road Development Authority (RDA) has filed plans for a 4.8km bypass linking Xavier to Pierrefonds.

The project, estimated to cost between Rs 950 million and Rs 1.4 billion, is designed to create a vital East-West corridor, slashing travel times to popular coastal destinations including Flic-en-Flac, Tamarin, and Le Morne.

Strategic Connectivity

The proposed route will connect the Black River Road (A3) at Xavier to the La Vigie–La Brasserie–Beaux Songes link road currently under construction at Pierrefonds.

Initially planned as a single-carriageway with the capacity for future expansion into a dual-carriageway, the infrastructure includes:

• A grade-separated interchange at Xavier and three roundabouts.
• A 75-metre culvert over the Rivière du Rempart.
• Raised pavements, a dedicated cycle track, and modern drainage and lighting systems.

Economic and Social Impact

According to the report prepared by VYYAASS Consulting Engineer Ltd, the bypass will primarily traverse 207 arpents of agricultural land owned by the Médine Group.

While the project will result in a loss of some sugarcane fields, it is expected to significantly relieve pressure on the heavily congested Palma Road (B2).

The assessment highlights a boost to the local economy, forecasting the creation of 70 direct jobs during the construction phase.

Furthermore, the improved accessibility is anticipated to increase land value and stimulate commercial and residential development in the regions of Xavier, Cascavelle, and Beaux Songes.

Environmental Considerations

The environmental study concludes that the project does not cross any ecologically sensitive areas, with the exception of the Rivière du Rempart crossing, where specific measures will protect the aquatic environment.

Potential negative impacts—such as noise, dust, and waste during construction—are deemed manageable through mitigation strategies.

The report warns that a “no-project” scenario would likely stifle regional economic growth and leave the current road network struggling with increasing traffic volumes.

The proposal now awaits final approval from the Ministry of Environment, with the report stating that the project presents “all the guarantees” necessary for implementation.

Source: Defi Media