How many days in advance notice overhead lines?

Generally, compressed lines can receive illegal messages within 1-48 hours.

Generally, the compaction line can receive illegal news within 1-48 hours, but the situation may be different from place to place. On urban roads, compaction lines can generally be received on the same day. It may take 1-2 days to receive the illegal compaction line on the expressway or across provinces, but it will be received in 3-7 days. The traffic police will arrange the handling according to the local illegal handling capacity, but the longest time will not exceed 15 days. The compaction line is in violation of the prohibition of marking instructions, and the penalty standard is to deduct 3 points and fine 200 yuan.