A Free App to Help Us Navigate Our Vacation Travel or Daily Commute

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Want a free app that shows highway congestion updated 24-7, with accident sites shown, cameras on real time, slow or stopped traffic, and ramps on the interstates you travel?  Try the one promoted by http://www.sigalert.com/. This site shows the cities covered, state by state.

SigAlert is defined by the California Highway Patrol as "any unplanned event that causes the closing of one lane of traffic for 30 minutes or more".  This commercial app, called by the same name, has a treasure trove of invormation for a ton of areas.

If you're traveling north from Florida and are concerned about the   DC area, use the app to plug in that city. If you're traveling to work in Pittsburgh and know that delays are possi ble on certain routes, use this app to determine which route is the fastest for you-at the time you're actually on the road.  Traveling into Chicago and wondering if you should take that dreaded toll bridge? Check out congestion in and around it.  This app containes many areas across the US.

The SigAlert app is free at iTunes.  Connect to www.itunes.apple.com/us/app/sigalert-com-live-traffic/id424889327. Everything you'll need for daily traffic is free.  If you want to set up account with SigAlert, that will cost you an account fee, but it gives you the opportunity to program favorite routes and to add more bells and whistles.

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Having used it for two weeks to navigate a major city-especially going to and from the airport at rush hour, I find it more useful that my Google Maps traffic maps.