This Google Maps lets you discover who commutes where from any given zip code. The map uses data from the Census Transportation Planning Package and calculates travel times using the Google Maps API.
To use the map you first need to enter a zip code and choose whether you want to view commutes from this area or commutes to the area. The map will then displays the commuting results using blue lines and red map markers. The blue lines indicate where people commute to and from. The size of the red dots reflect the numbers of people commuting in that location.
As well as the map view Commute Map presents the results of your search via an interactive chart.