graph traversal in google maps

[engahmed .]

Hello

I'm making web application that give directions between places
according to my readings of the current speed of the road

I don't know how to make this my own routing , but someone told me
about graph traversal

Do any one can help me with this , or another way that can help me , i
just need ant demonstration about this matter

Thanks

[Grok Lobster]

Take a look at some of the examples here (I think) - 

https://groups.google.com/forum/#!searchin/google-maps-js-api-v3/draggable$20directions