Presumably your looking at using it for identifying lanes????
If so you can create a route on Memory Map then download it as a .csv file. If you download a simple bit of software called ITN Converter (
http://www.benichou-software.com/index. ... =2&lang=en) you can create an itinerary file for your TomTom which will follow the route you created on MM
Check out the link above for a more detailed explanation on how to do it all. It's simple once you get the hang of it. I used a TomTom for a year or so before getting [linkurl=http://sites.google.com/site/mmtrackerinfo/]MM on my Android phone[/linkurl]