MileCheck Blog

Field notes from the road.

What it takes to build real-time highway data for the people who drive for a living — state DOT integration, mile-marker infrastructure, and the gaps the big nav apps left behind.

Building MileCheck June 2, 2026 5 min read

Why Google Maps can't tell you a lane is closed at MP 142

Every state DOT publishes road-condition alerts in real time. No major navigation app pulls them in. Here's the gap — and what I built to close it.

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