Google Maps API v3 New Features

Google Maps API v3 New Features

3 New Features have arrived at the V3 Google Maps API

1. KML Overlays
2. Biking Directions (selected USA Cities currently)
   
3. Traffic Layer

Google Maps API v3 now supports overlaying of KML files.


Bike Routes are now enable for overlay for Googel Maps API v3 in selected cities across the United States.


Also Traffic Overlay is now available for use on v3 of Googel Maps API

You maybe interested in 'Boxer Router'
http://googlegeodevelopers.blogspot.com/2010/05/search-along-route-made-easy-with.html
credit to Thor Mitchell, Google Maps API Product Manager

and
Marker Manager 1.0 for v3
http://googlegeodevelopers.blogspot.com/2010/04/markermanager-10-manage-your-markers-in.html
credit to Björn Brala (http://www.geostart.nl/english)

source with documentation
http://googlegeodevelopers.blogspot.com/2010/05/kml-traffic-and-bicycling-layers-come.html