Parking Sign Detector

Find on-street parking restrictions before you arrive. Enter an address (or use your location), and the app scans Google Street View imagery for parking signs using OCR — then shows results on a map with street-level previews.

Screenshots

Search	Results

Sign detail	Street View

Full-screen viewer	OCR overlay	Settings

Project structure

Folder	Description
parking-detector/	Python backend — Street View capture, OCR, FastAPI
parking-sign-detector-frontend/	Expo / React Native mobile app

Quick start

Backend

cd parking-detector
python3 -m venv .venv && source .venv/bin/activate
pip install -r requirements.txt
cp .env.example .env   # add GOOGLE_MAPS_API_KEY
uvicorn api:app --host 0.0.0.0 --port 8000

Mobile app

cd parking-sign-detector-frontend
yarn install
cp .env.example .env   # set EXPO_PUBLIC_API_BASE_URL
yarn ios               # or yarn android

See each folder's README for full setup, API docs, and configuration.

Disclaimer

Street View imagery can be 1–4 years old. Always verify the actual sign on site before parking.