It meets an intersection with Route 286, before becoming Maple Street. It then meets an overlap with Route 83, before becoming Crystal Lake Road. Route 140 then meets an overlap with Route 30, as it becomes Sandy Beach Road.
The road intersects Route 286 and is renamed Maple Street. It then overlaps with Route 83 and becomes Crystal Lake Road. After that, Route 140 overlaps with Route 30 and changes to become Sandy Beach Road.