Route 66 Navigation is the only app that connects you to historic sections of Route 66 from Chicago to Santa Monica and back. Now it offers better maps, notifies about significant sites, provides voice instructions in multiple languages worldwide, and works offline in areas with weak or no mobile signal. MAIN FEATURES OF ROUTE 66 NAVIGATION APP: - turn-by-turn directions for historic Route 66 westbound as well as eastbound - full offline mode (no data roaming needed for navigation, just down