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3XN · MASTERPLAN

San Diego Masterplan

San Diego, USA — 2021

San Diego Masterplan — Aerial promenade

Aerial promenade · Visualisation: 3XN

A new neighbourhood in San Diego’s Midway District, organised along a green spine that runs down to the San Diego River.

A new neighbourhood in San Diego’s Midway District, organised along a green spine that runs down to the San Diego River.

The Green Line bridges the site to the river and acts as the development’s green lung. Three anchor buildings punctuate it: at the river, on Sports Arena Boulevard and at the gateway.

The plan knits into the existing city. Parking sits at the two edges, half a level below ground, so everything above is active and made for people.

Role

Lead designer

Studio

3XN Architects, New York

Programme

Sports arena, retail, commercial, residential

Location

San Diego, California, USA

Status

In progress

Year

2021

Awards

1st prize, competition

Overview · Visualisation: 3XN

01

The Green Line

A public green spine connects the San Diego River Trail to the development and gives the varied blocks one identity, with room for community life along its length.

Masterplan, step 1Masterplan, step 2Masterplan, step 3Masterplan, step 4Masterplan, step 5Masterplan, step 6
01 / 06Masterplan, step 1

02

Three anchors

The arena gives the neighbourhood its identity; a school, library and community centre form a cultural hub; and a large grocer marks the gateway for daily life.

Sports Arena Boulevard · Visualisation: 3XN

03

Streets for people

Surface parking is removed entirely. Streets become safe and barrier-free, with a subtle hardscape that links the courtyards while keeping clear access.

Section

Shared streetsPublic squaresCourtyards
01 / 03Shared streets

04

Courtyards

Courtyard parks and gardens of varied scale, linked by a semi-public loop and kept flexible so future residents can help shape them.

The arena by day · Visualisation: 3XN

The arena at night · Visualisation: 3XN

Design: 3XN · Visualisations: 3XN

Next project

Cologne, Germany — 2024

Flossbach von Storch Campus — Entrance

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