Thanks guys. Found the official reason why this is not supported.
>
> > > > > > If it was on roads, you can try using driving directions.
>
> > > > > > -- Larry
>
> > > > > > > On Aug 1, 12:43 am, Wavelet <
garyd...@gmail.com> wrote:
>
> > > > > > > > I use google map in my travel site, and I want to show the public
> > > > > > > >transitroute for my recent trip. Google Map has this option, but by
> > > > > > > > reading Gmap API v3, I found DirectionsTravelMode class has only
> > > > > three
> > > > > > > > mode, Walking, Driving and Bicycling. Should I look for something
> > > > > eles
> > > > > > > > to show it on my map, or it has not support in GMap API?- Hide quoted
> > > > > text -
>
> > > > > > > - Show quoted text -- Hide quoted text -
>
> > > > > > - Show quoted text -
>
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