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Al-Thumamah & Othman Bin Affan Roads Intersection Development Project

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Al Thumamah and Othman Bin Affan Roads Intersection Development Project is one of the Royal Commission for Riyadh City (RCRC) vital initiatives, delivered under the Ring and Main Roads Development Program. It is anchored in the objectives of Saudi Vision 2030 to enhance quality of life, and embodies RCRC’s aspiration to establish the foundations of an integrated, sustainable urban mobility system.

The project aims to develop one of the most important intersections in northeastern Riyadh through the construction of a multi-level interchange that delivers fully free-flowing traffic, elevates the quality of mobility, and supports the capital’s accelerating urban expansion.

Today’s Project… for a Better Quality of Life Tomorrow A strategic step toward a city that is more connected, sustainable, and comfortable for residents and visitors alike
3D rendering of the Al Thumamah and Othman Bin Affan Intersection Development Project Key Project Components
Bridges 4 Main Bridges With a combined length of approximately 2,000 m

Connecting all directions seamlessly without stops.

Tunnel Main Tunnel 850 m in length

Three lanes in each direction, ensuring uninterrupted flow along Al Thumamah Road.

Corridor upgrades Corridor Upgrades Enhancing the efficiency of surrounding roads
Converting Othman Bin Affan Road into a free-flow corridor (3 lanes in each direction).
Reinforcing Al Thumamah Road as a primary east–west mobility corridor.
Service roads with two lanes per direction to serve neighborhoods and local activities.
Expected Project Outcomes
Seamless traffic flow Seamless Traffic Flow

Without traffic signals

Reduced travel times Reduced Travel Times

Particularly during peak hours

Road safety Improved Road Safety

And a reduction in accidents

Emergency response Faster Emergency Response

Through continuous, free-flowing routes

Lower emissions Lower Fuel Consumption

Reducing emissions and improving air quality

Urban landscape Enhanced Urban Landscape

Through improved sidewalks and landscaping

Investment value Higher Investment Value

For neighborhoods surrounding the project

Network connectivity Integrated Road Network

Across northeastern Riyadh

Measures and Recommendations During Implementation
Measures Taken by the RCRC
Establishing temporary traffic detours to organize and facilitate movement throughout the implementation period.
Continuous field monitoring to ensure smooth traffic flow at all times.
Installing clear directional signage to guide drivers along alternative routes.
Applying precautionary measures to enhance safety levels within the work zone.
Tips to Avoid Traffic Congestion
Travel before peak hours to avoid delays.
Stay informed of traffic updates before and during your trip.
Allow extra time for daily journeys throughout the works period.
Strictly follow on-site signage and traffic detours.
Work Site and Traffic detour
Site map of the Al Thumamah and Othman Bin Affan Intersection Development Project
Activation date Detour Activation Date 16 / 04 / 2026
Contact number For Inquiries — Unified Contact Number 19998
We appreciate your cooperation and commitment as we work toward a smoother, more comfortable mobility experience for everyone.