Once surface street service level is (unacceptable) because of traffic diversion caused by ramp control, either the metering rate will be modified or the (on-ramp) will be closed.

当因交通分流导致地面道路服务水平不可接受时，采取修正调节率或者关闭匝道的措施。

youdao

We had to turn back because of traffic diversion.

由于车辆改道，我们只能返回。

youdao

The findings from the CORSIM analysis indicate the route diversion plans developed by the County are very effective in terms of traffic operations, reducing overall network delay by an average 21%.

通过CORSIM分析结果显示，从交通运行状况上看，萨拉索塔市的路径变更方案十分有效，使路网整体延误平均降低21%。

youdao

The automobile club HAK said the protest forced traffic to be diversion from the port city of Split to avoid Norac's home town of Sinj.

CNN: Croatian war crimes protest

Those not caught in the initial incident then faced a massive diversion that took them 50 miles through the Conwy Valley, which became gridlocked itself under the sheer weight of traffic.

BBC: A55 north Wales: ?3m to keep bottleneck open near Bangor