Saudi Arabia Invites Bids for Groundbreaking Riyadh Rail Link Project

Saudi Arabia has officially invited construction firms and engineering groups to participate in the tender phase for a strategic Riyadh rail link project, part of the Kingdom’s wider ambitions to strengthen urban mobility and national connectivity under Vision 2030. This project, expected to be a multi-billion-dollar investment, will deliver critical infrastructure that contributes to Riyadh’s sustainable transport network expansion and presents extensive construction opportunities for contractors specialising in rail infrastructure, civil works, and advanced project management.

A modern train station

Project Overview

• Scope: Design and construction of a new rail link serving Riyadh’s metropolitan area, complementing the existing Riyadh Metro network and future urban development plans.

  
  

• Length: Approximately 65 kilometres with a mix of underground, at-grade, and elevated rail lines.

  
  

• Stations: 19 stations planned, connecting major hubs including Qiddiya Entertainment City, King Abdullah International Gardens, King Salman Park, Misk City, and Diriyah Gate.

Key Features:

• Extensive tunnelling approx. 47km underground

  
  

• 19km elevated infrastructure

  
  

• Multi-modal integration with existing transport networks

  
  

Timeline & Tender Process

• Tender submissions are expected by mid to late 2025, with prequalification rounds underway.

  
  

• The project aims to start construction by late 2025 to early 2026.

  
  

• Completion is aligned with the phased expansion of Riyadh’s public transport systems and Vision 2030 milestones.

A train on a railway track

Invitation for Bids

The Saudi government has recently issued invitations for firms to submit bids for the construction and development of the Riyadh rail link project. This announcement marks a significant step forward in the project’s progression and reinforces the government's commitment to collaborating with experienced contractors and engineering firms.

The bidding process is anticipated to attract both local and international companies. This variety is designed to foster competition and innovation in the construction sector, ensuring that the best techniques and technologies are utilised in building the rail link. For example, companies with a proven track record in rail systems will be favoured, as they can demonstrate their ability to deliver complex projects efficiently.

Firms interested in participating must showcase their expertise in railway construction and their capacity to complete projects on time and within budget. This thorough selection process will ensure that only the most capable companies are entrusted with this essential infrastructure project.

Technical and Construction Details

• Civil engineering requirements include significant tunnelling, track-laying, station construction, and associated utility relocations.

  
  

• Mechanical, electrical, and plumbing (MEP) works focus on state-of-the-art systems for ventilation, safety, and passenger services.

  
  

• Contractors will need expertise in complex transport infrastructure delivery, including high-capacity rail systems and urban integration.

Strategic Importance

• This rail link project is crucial in supporting the Kingdom’s Vision 2030 goals by enabling:

  
  

• Reduced traffic congestion and carbon emissions through enhanced public transit options.

  
  

• Support for the rapidly growing population—Riyadh is expected to be home to over 10 million residents by 2030.

  
  

• Integration between entertainment, commercial, and residential zones fosters economic diversification.

A railway construction site

Construction Opportunities

• Civil & Structural Works: excavation, tunnelling, track foundation, station and bridge building

  
  

• MEP Specialist Contracts: electrical systems, signalling, HVAC installations

  
  

• Systems Integration & Commissioning: control systems, safety monitoring, passenger information systems

  
  

• Project Management & Coordination: ensuring timely delivery and compliance with local safety and environmental standards

  
  

• Supply Chain: sourcing sustainable materials and deploying innovative construction techniques consistent with sustainable building principles.

Public-Private Partnerships & Market Outlook

The project will likely follow a PPP model to leverage private sector efficiency and investment alongside government oversight, advancing Saudi Arabia’s infrastructure ambitions with transparent and competitive bidding. Early engagement with the Royal Commission for Riyadh City (RCRC) and relevant authorities is advised.

Conclusion

The Riyadh rail link project offers a transformative opportunity within Saudi Arabia’s fast-expanding transport infrastructure landscape. Contractors with expertise in large-scale rail projects and sustainable infrastructure development will benefit from participation in this high-profile programme. The initiative reaffirms the Kingdom’s commitment to modern urban mobility, economic diversification, and international construction excellence.