If you have previously selected "Don't Allow" to the question "http://m.roadnow.com would like to use your current location", you may enable the Location Service on your iPhone by refreshing the browser(click the top right button on your browser) .
If you have previously selected "Decline" to the question: "m.roadnow.com wants to know your location" on your Android phone, you may enable the Location Service by following the procedure below:
From the web browser screen:
1. click on the menu button(the button with 4 horizontal bars or square with 4x4 dots)
2. select "more", select "Settings", scroll down to find "Clear location access", click the right pull down button
3. select "OK"
4. Now go back to the web page you were trying to access, click the refresh button on the top right of the browser.
5. click the "Share location" button. You're done.