Ile de France Mobilités
Overview
Île-de-France Mobilités is the official public transportation app for the Paris region, providing itinerary planning, real-time traffic updates, and ticketing services. As a Mobility as a Service (MaaS) platform, it aims to bridge the gap between the digital experience and real-world mobility, creating a seamless journey across all modes of transport.
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Creating user flows
Creating high fidelity mock-ups & prototypes
Conducting user research
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Figma
Contentsquare
Trello
Notion
Excel & Power Point
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App Product manager
App Product Owners
App Business Analysts
Innovation Team
Data team
iOS developpers
Android developpers
Challenges
Fragmented Mobility Experience
Travelers often rely on multiple apps for planning and payments, leading to frustration.
Lack of Seamless Multi-Modal Integration
Public transit, shared mobility (bikes, scooters, ride-hailing), and personal transport are not always connected into a single journey.
Traffic Information Overload
Users receive long, generic, and often irrelevant traffic updates, making it hard to quickly assess disruptions.
Strong Competition
Competing apps like Google Maps & Citymapper offer smoother interfaces and cutting-edge technology.
Project Goals & Solutions
Ensure an Integrated, Seamless Passenger Experience🎯 Goal
Unify all transportation modes, including public transit, shared mobility, and personal vehicles, into a single journey.
💡 Solution
Modalities such as carpooling, park-and-ride or bike space reservation are gradually being added to the functionalities.
Make Traffic Information More Relevant & Accessible🎯 Goal
Improve clarity and personalization of real-time traffic updates.
💡 Solution
Designed an AI-driven traffic summary to deliver personalized, digestible insights instead of lengthy reports.
User Testing Insight: Initially tested a chatbot for traffic updates—users found it disruptive. Pivoted towards integrated AI-powered summaries, which received better feedback.
Enhance Personalization & Daily Travel Experience🎯 Goal
Help users plan and adjust their commutes with intelligent, user-focused solutions.
💡 Solution
Developed personalized daily commute widgets to provide relevant updates at a glance.
Process & Design Approach
🔍 Continuous Discovery & FramingUser feedback monitoring, business goal alignment and official regional guidelines influence feature prioritization for each Program Increment (PI).
Close collaboration with Product Owners (POs), Product Managers (PMs), and business teams.
🧭 Design & ValidationEach feature starts with hypotheses, followed by internal reviews with design, PO, and business teams.
Once the concept is solidified, we test with users to validate or refine our assumptions.
📬 Delivery & Developer CollaborationDesign handoff is structured but flexible, ensuring close collaboration with developers.
Participate in refinement meetings and maintain an open Slack channel for real-time communication.
Challenges Along the Way & How We Solved Them
Growing Product Complexity The app started as a small project but has scaled rapidly. No design system was in place, making the design process more challenging.
💡 Solution
With another designer, we initiated a reverse-engineered design system to standardize UI components and streamline workflows.
Technical Limitations Some backend constraints limit functionalities eg. such as the ticket calculator not being able to handle every possible commute scenario.
💡 Solution
We collaborated closely with developers and business teams to define simple, effective rules that covered most cases, ensuring accurate pricing in the majority of situations while keeping the system scalable.
Outcome & Impact
App Store rating Increased to 4.7/5 (based on 36,400+ reviews), showing strong user satisfaction.
5M+ downloadsIndicating high adoption and trust in the platform.
Positive user feedbackRecent feature updates received positive user feedback, confirming the value of our design improvements.