flying roadblock
n.β Β«The organization also says that Palestinians deal not only with the permanent checkpoints but with temporary roadblocks, which Palestinians refer to as “flying roadblocks,” which can reach up to 155 a week throughout the region.Β» ββIsrael eases restrictions, expands checkpoints” by Ali Waked Ynetnews Oct. 11, 2006. (source: Double-Tongued Dictionary)