You are right!! The road track has opened further than Machhakhola, and this is day 3rd of the traditional trekking route, even though it is driveable only to Machhakhola (on a sunny day). Or if you like to avoid the road; there is an alternative trail as well that goes through the Kashigaun, Manbu, and Kerauja cross the bridge over Bhudhigandaki at Sothikhola but you need to be dear climbing about 1080 meters on the first-day trek. The alternative trail to Manaslu Circuit is the best way to avoid the road: