渋滞

1. Origins, structure, and basic meaning

• Structure: 渋滞, read じゅうたい, combines impediment 渋 with stagnation 滞 to denote blocked traffic flow.
• Basic usage: It denotes traffic flow becoming blocked and slow, as in 道路の渋滞.

2. Common pitfalls and similar expressions

• Scope and context
  • It is not merely the presence of many vehicles but an impaired flow that can cause delays.