zTrip Launches On Demand Rides, For Groups, In Austin

zTrip, an app offering up group van transportation, launched in Austin at SXSW over the weekend, saying it will offer up rides to as many as 10 passengers at a time throughout Austin via its app. The on-demand app provider says it has 150 vehicles serving Austin, using vans. The group trip app comes from transportation provider Transdev OnDemand.