For a quick and free solution check out crowdmap.com and for more information on the landscape in general, try: http://www.rutgerscps.org/rtm/
You will find resources to help your local police produce their own map or at least publish their data in a format that you will be able to automatically use. Good luck, Om _______________________________________________ HOT mailing list [email protected] https://lists.openstreetmap.org/listinfo/hot
