noun, noun or participle which takes 'suru', intransitive verb
traffic congestion; traffic jam; gridlock
The most common use, for roads and vehicles being backed up. Often used as a noun or as 渋滞する for traffic becoming congested.
高速道路で事故があり、十キロの渋滞が起きた。
There was an accident on the expressway, causing a ten-kilometer traffic jam.
連休中はどの道も渋滞する。
During the long holiday, every road gets congested.
noun, noun or participle which takes 'suru', intransitive verb
stagnation; backlog; delay
Extended use for a flow of work, information, communication, or processing that is not moving smoothly; it implies things are piling up rather than merely being late.
申請が多すぎて、窓口の処理が渋滞している。
There are too many applications, and processing at the counter is backed up.
アクセスが集中して、通信に渋滞が生じた。
Access was concentrated, causing congestion in the communications network.