StreetDesignAI: A Multi-Persona Evaluation System for Inclusive Infrastructure Design

• URL: http://arxiv.org/abs/2601.15671v1
• Date: Thu, 22 Jan 2026 05:53:05 GMT
• Title: StreetDesignAI: A Multi-Persona Evaluation System for Inclusive Infrastructure Design
• Authors: Ziyi Wang, Yilong Dai, Duanya Lyu, Mateo Nader, Sihan Chen, Wanghao Ye, Zjian Ding, Xiang Yan,
• Abstract summary: We present StreetDesignAI, an interactive system that enables designers to ground evaluation in street context through imagery and map data.<n>A study with 26 transportation professionals demonstrates that structured multi-perspective feedback significantly improves designers' understanding of diverse user perspectives.
• Score: 8.314136104243735
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Designing inclusive cycling infrastructure requires balancing competing needs of diverse user groups, yet designers often struggle to anticipate how different cyclists experience the same street. We investigate how persona-based multi-agent evaluation can support inclusive design by making experiential conflicts explicit. We present StreetDesignAI, an interactive system that enables designers to (1) ground evaluation in street context through imagery and map data, (2) receive parallel feedback from cyclist personas spanning confident to cautious users, and (3) iteratively modify designs while surfacing conflicts across perspectives. A within-subjects study with 26 transportation professionals demonstrates that structured multi-perspective feedback significantly improves designers' understanding of diverse user perspectives, ability to identify persona needs, and confidence in translating them into design decisions, with higher satisfaction and stronger intention for professional adoption. Qualitative findings reveal how conflict surfacing transforms design exploration from single-perspective optimization toward deliberate trade-off reasoning. We discuss implications for AI tools that scaffold inclusive design through disagreement as an interaction primitive.

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