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Architecture

Connecting Riyadh

The King Abdullah Financial District (KAFD) Metro Station designed by Zaha Hadid Architects (ZHA) connects the city and delights the senses with its signature sculptural shapes

Riyadh MetroZHA’s design for the KAFD Metro Station centres on connectivity, both functional and architectural

On 1 December 2024, Riyadh Metro officially opened its Blue, Yellow and Purple Lines (Lines 1, 4 and 6), marking a transformative moment for Saudi Arabia’s capital. As the world’s longest driverless transit system, spanning over 176 kilometres across six lines and 85 stations, Riyadh Metro introduces unparalleled levels of efficiency and innovation in urban transportation. Designed to accommodate 3.6 million daily passengers, this state-of-the-art system is set to significantly reduce car journeys, alleviate traffic congestion and enhance sustainable mobility in Riyadh. At the heart of this ambitious network is the King Abdullah Financial District (KAFD) Metro Station, a design marvel by Zaha Hadid Architects (ZHA). Positioned as the key interchange hub, the station connects the financial district, King Khalid International Airport and the KAFD monorail via its skybridge. Spanning four levels with six rail platforms, the station integrates seamlessly with bus services and park-and-ride facilities, creating a vital multi-modal transport nexus for the city.

Externally, this lattice is expressed through ultrahigh- performance concrete panels, which form a visually striking and functional façade
The station’s internal circulation patterns were meticulously modelled to
manage the predicted influxes of rail, car and pedestrian traffic
Beyond its functionality, the station’s design creates a series of indoor
and outdoor public plazas, enriching the social and cultural fabric of the King Abdullah Financial District 

ZHA’s design for the KAFD Metro Station centres on connectivity, both functional and architectural. The station’s internal circulation patterns were meticulously modelled to manage the predicted influxes of rail, car and pedestrian traffic. This mapping process gave rise to a dynamic three-dimensional lattice structure, defined by opposing sinewaves that mirror the ebb and flow of daily transit activity.

Externally, this lattice is expressed through ultra-high-performance concrete panels, which form a visually striking and functional façade. The geometric perforations of the façade not only reinterpret the environmental shielding found within the region’s vernacular architecture but also reduce solar gain, enhancing the station’s energy efficiency. These patterns evoke the natural formations created by desert winds, with their fluid, repetitive rhythms echoing the interplay of nature and innovation.

The KAFD Metro Station exemplifies ZHA’s commitment to marrying aesthetic brilliance with engineering precision. The station’s external envelope is a self-supporting structure, meticulously aligned with internal framework that supports platforms and viaducts. The design underwent rigorous optimisation to improve structural efficiency, environmental performance and ease of construction without sacrificing spatial quality. A high-efficiency cooling system, powered by renewable energy, works in tandem with passive design features such as the station’s façade. This system automatically adjusts to fluctuating passenger levels throughout the day, while sliding door panels on platforms help retain cool air. These innovations ensure optimal comfort with minimal energy consumption.

Riyadh Metro

The KAFD Metro Station embodies sustainable design and has achieved LEED Gold certification. From its renewable energy integration to its environmentally responsive architecture, the station sets a benchmark for future urban infrastructure in the region. Beyond its functionality, the station’s design creates a series of indoor and outdoor public plazas, enriching the social and cultural fabric of the King Abdullah Financial District. Riyadh Metro and the KAFD Metro Station collectively signal a new chapter for Riyadh – a city embracing cutting-edge transit solutions while honouring its heritage and environment. This remarkable integration of innovation, sustainability and architectural excellence positions Riyadh as a global model for urban transformation.

Images courtesy Hufton+Crew.

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