Interways Works Limited

Performance Based Contract

Project: Performance Based Contract for the Maintenance of the Nairobi-Thika Superhighway (Ruiru-Thika) (A2) Road and Maintenance of Thika Superhighway (A2S) Road and Thika Superhighway RHS (A2S_R) Road (Formerly Nairobi-Thika A2 Road)

Client: KENHA
Location: Nairobi-Thika, Kenya
Completion Date: 2018 – 2021, 2022 – 2025 and 2016 – 2018
Project Value: Kes. 1,101,507,135.43, Kes. 723,554,346.52 and Kes. 1,081,384,503.67


Interways Works Limited is undertaking a performance-based contract for the maintenance of the Nairobi-Thika Superhighway (Ruiru-Thika) (A2) Road, the Thika Superhighway (A2S) Road, and the Thika Superhighway RHS (A2S_R) Road. This project ensures the roads remain in optimal condition, enhancing safety and efficiency for all users.


  • Maintain the Nairobi-Thika Superhighway to high performance standards.
  • Ensure safety and efficiency for motorists and pedestrians.
  • Prolong the lifespan of these critical transportation routes.


  • Regular Inspections: Frequent assessments to identify and address issues promptly.
  • Pavement Maintenance: Repairing cracks, potholes, and surface wear to ensure smooth driving conditions.
  • Drainage Maintenance: Ensuring effective drainage systems to prevent water accumulation and road damage.
  • Safety Measures: Updating road markings, signage, and barriers to enhance overall safety.