
Our popular Mile-1 app provides you with the most comprehensive highway mile marker locator service ever built. Easy to use day or night, quickly know your real-time mile marker location. Nearly every highway on the U.S. Interstate system is included along with a growing list of state highways, U.S. highways, and Canada Provincial routes. There are river and rail miles too! Use Mile-1 to help emergency personnel or roadside assistance locate you faster. The core Mile-1 location feature is free for everyone.
Save and share custom mile marker points or make maps with Mile-1 Pro. Combine mile markers and construction project stationing with Mile-1 Pro+ and eliminate the hassle and labor cost of determining the right locations for your field reports, testing, and documentation..
Mile-1 is available on iOS, Android, and CarPlay.
For the Pro's, real-time active stationing is here alongside real-time mile markers!
Built for DOT, construction teams, inspection, operations, and maintenance, use the Project Manager tab to upload your OpenRoads or Civil3D LandXML alignment files to get real-time stationing in addition to real-time mile markers nationwide. Most coordinate systems in North America are supported along with custom grid adjustment factor capabilities. Upload your base files as a KML to complete the digital delivery of your project available in your pocket. These high quality tools, built by a professional engineer, are constructed with precision to handle any form of road or rail alignment including curves, spirals, and station equations for all LandXML formats.

Mile-1 Pro includes:
With Mile-1 active stationing, you can view your real-time station and accurate mile marker anywhere on the job site, drop a pin, take photos, and share PDF reports. The selectors make it easy to switch projects and alignments on the fly. Add as many alignments as you want. Spend less time determining your location and more time getting your field work done.
Mile-1 is easy to use. Search for the mile marker you are looking for. Then, tap the marker on the map. You'll then be able to tap the navigate button, which will open Maps and show you the best routes to get there.