I think the sections which aren't ready yet, could be a construction area, with dirt, and after they are ready, they could be opened.

But anyway, Hungary need E60/4/M4/42 in ETS 2!

Main road 405 will be almost useless as a truckroute after M4 Üllő-Cegléd (44km) finished in September. In my mind, M4 will be better than M5-405 as a part of ProMods. M4 Cegléd-Abony (17km) will be finished officially in December. Abony-Törökszentmiklós (~26km) is uncertain, because it's about 50% ...