Or, Ms. Brockman said, it was possible that someone else who drove that route alerted MapQuest to the problem.
These could look at schedules, that day's delays and your favorite walking route, then alert you a few minutes before you should leave.
On any route, be alert around busy streets and questionable neighborhoods.
You can actively report accidents, hazards and road alerts, and it even tells you where the petrol stations are en-route, often with updated prices for fuel.
Increased physical activity outside of class is encouraged by suggesting enrollment in additional local exercise classes, providing safe outdoor walking routes, and alerting women to activity resources online and on FitTV.
Police stations along the route have been alerted and officers are scouring the tracks for clues.
Carriers like Verizon will be deploying more cellphone towers to ensure that spectators along the route get their alerts in a timely manner, Winell said.
More recently Apple has patented a system of "user-specified route rating and alerts" which could allow it to function without Waze data while anonymously collecting information from iPhone users as they drive.
The latest was felt hundreds of miles away in Singapore and in Kuala Lumpur.Low-lying Padang is seen as vulnerable to a tsunami and its residents have been trained to flee to higher ground along designated routes when an alert is sounded.
Higher-end software packages popular ones include TeleNav Track(TM), Xora GPS TimeTrack(R) and Actsoft Comet Tracker include not only location monitoring, but other features, such as "out-of-boundary alerts," route optimization and barcode and signature capture.
One of the many projects that we're working on within Area 120 is Pigeon, an iOS app that helps New York City subway goers find the best route with live alerts from other riders.
