Multi Modal Transit Hub Ahmedabad: Infrastructure as Urban Landscape

What happens when you stop treating a transit station as a building and start treating it as a piece of city? In Ahmedabad, where population growth is outpacing infrastructure at a staggering rate, Bhavya Gandhi proposes a multimodal transit hub that collapses metro rail, intercity and intracity bus networks, regional rail, pedestrian systems, and public landscape into a single coherent urban framework. The result is not a terminal you pass through but a destination that holds you, a civic anchor that generates economic and social life around the act of moving.

Sited within Ahmedabad's expanding metropolitan fabric, the hub is conceived as a gateway connecting satellite towns, economic corridors, and urban neighborhoods. The master plan layers commercial spaces, public amenities, administrative blocks, and landscaped open areas both vertically and horizontally to maximize land efficiency and keep the site activated throughout the day. Underground metro lines intersect railway platforms and bus rapid transit at calibrated depths, while elevated concourses, shaded walkways, and barrier-free routes prioritize the pedestrian above all else. The architectural ambition is clear: transit-oriented development that stitches fractured city fabric together rather than tearing it further apart.

A Cylindrical Tower Anchoring the Linear Fabric

The axonometric drawing reveals the project's primary organizational move: a cylindrical tower volume acts as a vertical landmark at one end of a series of linear residential and mixed-use blocks, while green courtyards stretch between them. The physical model clarifies this relationship in three dimensions. A domed central volume, perforated at its plaza level, anchors the composition. Flanking wings extend outward, housing the layered transit and commercial programs. The geometry is deliberate. Curvilinear forms mark interchange nodes where passengers transition between modes, while the linear bars correspond to platform lengths and bus corridors. It is a plan driven by movement logic, not arbitrary shape-making.

The Domed Roof: Structural Ambition and Daylight Strategy

A close-up of the physical model isolates the central domed roof, exposing a radiating column structure that supports a ring of skylights. The design creates a large-span, column-free interior beneath, enhancing visibility across the concourse and giving passengers an unobstructed sightline to wayfinding cues. Skylights punctuate the dome in a controlled pattern, filtering Ahmedabad's intense sunlight into diffused overhead illumination. The accompanying axonometric of the circular building shows spiral approach paths feeding pedestrians into this volume from multiple directions, ensuring that arrival feels intuitive regardless of which transit mode a passenger is coming from.

Structurally, the dome is more than a formal gesture. Its geometry distributes loads efficiently to the perimeter, freeing the interior from intermediate supports that would obstruct crowd flow during peak hours. In a city where summer temperatures regularly exceed 40°C, the elevated roof also generates a stack-ventilation effect, drawing hot air upward and out through the skylight openings. Architecture and environmental performance are treated as the same problem.

Sectional Logic: Layering Transit Beneath Public Life

The sectional axonometric cuts through the domed volume to expose the interior arrangement: tiered seating and waiting areas fill the concourse level while skylights wash the space in natural light from above. Below, the section implies the underground metro platforms and service corridors that connect to regional rail. This vertical stacking is the project's most consequential design decision. By placing high-capacity rail underground and elevating the public concourse to ground and mezzanine levels, the hub minimizes horizontal walking distances between modes while reserving the most generous, daylit spaces for the people who use them. Vehicular drop-off zones and service access are segregated to the perimeter, keeping the pedestrian core free of conflict.

Green Corridors and the Urban Edge

The final axonometric pulls back to show the full campus: linear buildings with planted green roofs extend from the curved tower, forming an elongated urban edge. These elevated green corridors are not decorative. They serve as visual buffers between the transit infrastructure and surrounding neighborhoods, as climatic moderators that reduce the heat-island effect on an otherwise hard-surfaced site, and as social gathering spaces that invite non-commuters into the complex. Landscaped roofs and public plazas inject ecological value into a program type that typically produces nothing but asphalt and concrete. The message is that transportation infrastructure can actively improve urban livability rather than degrade it.

Why This Project Matters

Indian cities are building transit infrastructure at an unprecedented pace, yet much of it remains siloed: metro systems that do not talk to bus networks, railway stations isolated from the neighborhoods they serve. Gandhi's proposal confronts this fragmentation head-on by designing the interchange itself as the primary architectural event. The clarity of the layered section, the intuitive wayfinding generated by the domed landmark, and the integration of mixed-use program around the transit core all point toward a model where mobility and urban life are inseparable.

What elevates the project beyond a competent infrastructure study is its insistence that large-scale transit architecture can also be generous public space. The green roofs, the daylit concourse, the spiral pedestrian approaches: these are not afterthoughts bolted onto an engineering diagram. They are integral to the spatial proposition. For Ahmedabad, a city racing to accommodate millions of new residents, this kind of thinking offers a template where growth and quality of life move in the same direction.

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About the Designers

Designer: Bhavya Gandhi

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Project credits: Multi Modal Transit Hub, Ahmedabad by Bhavya Gandhi.