Missouri Traveler is a free iPhone app that provides users with up-to-date information about road conditions and traffic throughout the entire state of Missouri. Developed by John Stump, this app allows users to access the state's road data to view traffic cameras, read alerts about construction and other road-related issues, and get stats from weather stations.

One of the key features of Missouri Traveler is the ability to read roadside signboard messages, which can provide important information about road closures or detours. Additionally, users can view road overlays that provide real-time information about current speed or weather-related driving conditions. This feature can be particularly useful for planning trips and avoiding areas with heavy traffic or hazardous weather conditions.

Another useful feature of Missouri Traveler is the integration with Google Traffic. This allows users to access all the necessary data in one app, making it easier to stay informed about road conditions and plan their journeys accordingly.

For those interested in history, Missouri Traveler also offers in-app purchases that allow users to access information about historical markers without having to leave their car. This feature can be a great way to learn more about the state's rich history while traveling.

Overall, Missouri Traveler is a valuable tool for anyone traveling in Missouri. With its comprehensive road data, real-time traffic updates, and integration with Google Traffic, this app provides users with the information they need to make informed decisions about their journeys.