We do not have lane guidance, but you can look at the sample output at https://learn.microsoft.com/en-us/bingmaps/rest-services/examples/driving-route-example to see the turn instructions for each waypoint.
To see how we use this output in our control, see the printout window at https://www.bing.com/api/maps/sdkrelease/mapcontrol/isdk/directionscreatedrivingroute