Tollio

Tollio is an AI-powered toll optimization platform that helps drivers reduce toll costs

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Tollio

Tollio is an AI-powered toll optimization platform that helps drivers reduce toll costs by identifying smarter entry and exit points on toll roads.

Inspiration

Most navigation apps can tell drivers where toll roads exist, but they do not help users understand whether they are getting good value for the tolls they pay. We wanted to build a solution that analyzes toll road usage and recommends better entry and exit combinations that can reduce commuting costs while balancing travel time and fuel consumption.

What it does

Tollio analyzes toll road routes and compares the natural route against alternative entry and exit combinations. The platform calculates toll savings, fuel costs, time tradeoffs, and overall value to recommend the best route option.

The application provides:

  • Natural route comparison
  • Best value route recommendations
  • Estimated toll savings
  • Fuel cost impact
  • Plain-English route explanations
  • Optimization history stored in MongoDB

How we built it

The solution uses:

  • Gemini for AI-powered route explanations
  • FastAPI for backend APIs
  • MongoDB Atlas for toll matrix storage and optimization memory
  • Netlify for frontend hosting
  • Render for backend hosting
  • Python for optimization and route analysis

Challenges we ran into

One of the biggest challenges was building a reliable hosted architecture while maintaining fast optimization performance. We integrated MongoDB-backed toll matrices, persistent optimization memory, hosted APIs, and AI-generated explanations while ensuring the application remained responsive and easy to use.

What we learned

We learned how to combine AI-powered explanations with deterministic optimization logic, build cloud-native applications using MongoDB Atlas and hosted APIs, and create a scalable architecture that separates route optimization, storage, and user experience concerns.

What's next

Future enhancements include real-time traffic integration, personalized commuting profiles, historical savings analytics, and support for additional toll road networks beyond NTTA.

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