As far as I know, there aren't any BVE5 routes in development here and probably won't be for some time since the majority of the objects used are in b3d format, which isn't read properly in the new train simulator.
By the way, there are never any release dates for any routes or trains since they just create frustration for not only the developers, but also the ones anticipating a new route or train at the posted date. That date usually comes and goes without a release and people start pestering the developers, which annoys everyone. Remember, people have lives outside of this train simulator and nobody makes any money off of this. Stand by, be patient and don't expect anything by a certain point of time. The routes and trains will be released as soon as possible.