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Mile-1 vs SDDOT 511 Usage & Stats

Mile-1 provides you with the most comprehensive highway milepost locator service ever built. Easy to use day or night, quickly find and share your real-time mile marker. Nearly every highway on the U.S. Interstate system is included along with a growing list of state and U.S. highways. Use Mile-1 to help emergency personnel or roadside assistance locate you faster. Even if you lose your data connection, Mile-1 will still show your milepost. "Hey Siri, Get my milepost." Just ask Siri to get your current milepost. Need directions or distance? Tap any milepost. The navigation button will use Maps to show you how to get there. Click the share button to send your current location via messages, email, or your favorite app. Closures, construction, and incidents are often reported using mileposts as a reference. Quickly and easily search for these locations. It's the perfect companion for incident reporting and maintenance. These are just some sample headlines we see every day, but it's not so easy to locate exactly where these are. Mile-1 helps save the day! AZDOT, "State Troopers and emergency crews use mile markers to locate stranded drivers or those involved in crashes...emergency crews will be able to find you faster." KEZI, "Evacuation levels reduced for homes near Milepost 97 fire." NewsChannel20, "Illinois State Troopers and first responders were called to a crash on I-57 northbound near milepost 241 Wednesday afternoon." KqenNewsRadio, "I-5 Milepost 114 fire burns Tuesday night." National Park Service, "Detour implemented from Milepost 115 to 135 starting January 25, 2021."
  • Apple App Store
  • Free
  • Navigation

Store Rank

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The South Dakota 511 mobile application provides real-time access to traffic and traveler information supplied by the South Dakota Department of Transportation (South Dakota DOT). Maps depict current traffic conditions, as well as incident and construction events that can impact traffic on all Interstate, U.S., and State Routes. Alert, and weather information is also available. The map indicates the location of roadside cameras, which allow users to view current traffic conditions. As users move through the highway network, the app can keep track of their location on the map. South Dakota DOT's Twitter feeds are also accessible and provide information impacting traffic across the state's regions. Powered by ClearRoute™
  • Apple App Store
  • Free
  • Travel

Store Rank

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Mile-1 vs. SDDOT 511 ranking comparison

Compare Mile-1 ranking trend in the past 28 days vs. SDDOT 511

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Mile-1 vs. SDDOT 511 ranking by country comparison

Compare Mile-1 ranking trend in the past 28 days vs. SDDOT 511

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Mile-1 VS.
SDDOT 511

January 12, 2026