If a traffic crash occurs on a collector road, or if road construction inhibits the flow, then the entire road system may be rendered useless until the blockage is cleared.
Rikala wénten kecelakaan ring margi kolektor, utawi yéning wénten anaké menahin margi sané prasida nglambatang pamargi, punika ngawinang makasami pacang dados nénten maguna ngantos pangempelé kagingsir.