roadblock

Example:After the clearance, the road was safe for traffic again.

Definition:An unobstructed or unblocked area, free for passage; clearance can also mean the process or state of removing an obstacle or obstruction, making a space or path available.

Example:The lack of access to clean water is a major concern in this region.

Definition:The ability to use or enter a place, system, or resource.

Example:Their plans were proceeding unimpeded.

Definition:Having no hindrance; unobstructed; unrestricted.