Google Maps provides Free Real-Time Traffic Information in Canada

I assume you are already familiar with Google Maps. You have probably stared at satellite images of your house from space, planned the best route from your current location to a street address, and looked at maps to measure distances. Maybe you've even tried Google Building Maker to create photo-realistic 3d buildings in your city.  Possibly you've noticed the upgraded appearance of road-maps lately, but there is more... Google is now giving you more

Previously only available in the United States, Google Maps has released Real-time traffic information for Google Maps in Canada. I'm happy to say that I saw this one coming, requested it from the Google Maps team, and watched with interest as it was launched in Seattle and featured on the Google Maps blog.

Today I noticed my colleague had Google Maps open in Greater Vancouver WITH traffic information!!! Apparently it launched at about the same time as Google StreetView.

Here's how it works...

To see Real-Time traffic in Google Maps, open up maps.google.com and after the map loads, zoom in a bit and choose the "traffic" button. A legend will appear. Green=good Yellow=ok Red/Maroon=Bad Black=ReallyBad. On the map coloured lines will appear on top of the routes, showing you where the slowdowns are and which roads are flowing smoothly. Experiment with zooming in and out to see traffic for larger or smaller roadways.

Google Mobile Users can also access this information from their Blackberry or other compatible device. From the Menu in Google Maps Mobile, choose "show traffic", let it load and voila, colours on the roads. My favourite feature of Google Maps Mobile is "hitting zero" and having the application guess my location and center me in the middle of the map. Originally this feature used cell phone tower information to triangulate my approximate location and I would see a nice blue circle around me (your position within 1300 meters) as Google did it's best to guess where I was. Usually pretty good, but switching to a phone with GPS brought the guess to withing 3 meters. (9 feet for my friends in the USA). Now if I hit "zero" I can watch myself cruising down the road colour coded for the kind of traffic I'm about to drive into. Google Maps Mobile users can also contribute real-time traffic information from their cell phones by signing up for and logging into Google Latitude.

So where is Google getting all this real time traffic data, did they really dig up all the roads and put sensors in? or are they tracking us with real time military satellites?... no. Google's "Latitude" service allows you to share your location with friends (and Google) using your mobile phone. If you don't have a GPS in your phone you'll still get the triangulation data for your location to share with your friends, but it may not be good enough for contributing to traffic... So anyways, your GPS information is shared with Google whenever you are logged in that will definitely put some "mileage" on your cell phone's data plan. I'm just saying be aware of it if you pay per MB/GB. If the Google traffic robot sees one phone going down the road, it has an idea of speed, but if it sees a whole bunch, it can start being confident of the road's speed. Freeways/Interstates have higher speed limits than arterial roads etc. A little bit of algorithm work to allow stoplights to function without making the whole city look like a traffic jam... and voila.

Today i had the distinct pleasure of watching myself drive down the road, and seeing the traffic information being drawn on behind me as I went. I guess I was the Latitude user with the GPS equipped phone that tipped the scales and gave Google the confidence to draw the traffic on the map. It feels good! Now we have an option to "flipping on the radio" and weathering the annoying advertisements when we see the freeway crawling to a halt.


Cheers, I hope this saves you and your friends a TON of traffic headaches!

I can't wait to see what Google Maps does next...
Greg.