Bottleneck Meaning & Usage in Traffic

Meaning 1：congestion point (bottleneck)

bottleneck 🔊

/ˈbɒt.l̩.nek/

A place or situation where the movement or flow of something is slowed down or blocked because it's too narrow or not efficient enough.

Aerial view of highway bottleneck with cars slowing at narrow point

congestion point 🔊

➕

/kənˈdʒestʃən pɔɪnt/

A location or situation where the flow of traffic, people, or information is slowed down or blocked due to narrowness or inefficiency.

📁 Category：Transportation & Travel 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

Compound of bottle + neck; metaphor for a narrow passage causing slowdown.

💡 Mnemonic

Picture a bottle's narrow neck: liquid (or cars) gets stuck. That's a bottleneck.

📖 Example

The construction on Maple Street has created a major bottleneck during rush hour. 🔊 The construction on Maple Street has created a major bottleneck during rush hour.

🔗 Collocations

traffic bottleneck – a point where traffic congestion occurs

bottleneck problem – a problem that causes a slowdown in a process

remove the bottleneck – to eliminate the constriction causing delay

🔄 Synonyms

choke point (n.) – A narrow point where movement is restricted

congestion (n.) – The state of being overcrowded, especially with traffic

constriction (n.) – A narrowing that reduces flow

🚫 Antonyms

free flow (n.) – Unimpeded movement or traffic

open road (n.) – A road without congestion or obstacles

🌱 Derivatives

bottlenecked (adj.) – affected by or causing a bottleneck

bottlenecking (n.) – the act of creating or experiencing a bottleneck

📖 Cultural Story

Originates from the neck of a bottle restricting liquid flow; applied to traffic and processes in early 20th century to describe any narrowing that slows movement.