路上很堵英文可以翻译为 "The road is congested." 来源于英语中 congestion 的概念，意思是指交通拥堵、拥挤。例如：

"I'm stuck in traffic because the road is congested." (我因为路上很堵而堵在车里了。)

"The congestion on the highway made my commute take twice as long as usual." (高速公路上的拥堵使我的通勤时间变成平常的两倍。)