 In LaVale, the route intersects MD 53, which serves as a truck bypass for US  220 to Cresaptown.Alt US 40 interchanges with westbound I-68 at exit 39, but eastbound access is only available via MD 53 and MD 658, which intersects Alt US 40 east of the exit 39 interchange.The highway expands to a four-lane road near its intersection with MD 53, then narrows to a two-lane road near its intersection with MD 658.