Grammar fix
heavy traffic
a lot of cars on the road
When there are a large number of vehicles on the road, making it slow or difficult to travel.
collocationB1common
Hear it in context
Notice where the phrase sounds natural.
- There was heavy traffic on the way to work this morning, so I arrived late.daily life
- In my city, heavy traffic is a common problem during rush hour, especially on the main roads.IELTS speaking
Fix the pattern
Pattern: heavy traffic (uncountable noun)
WrongThere was a strong traffic on the way.
RightThere was heavy traffic on the way.
Traffic is 'heavy', not 'strong' or 'big'. (Light traffic = the opposite.)
Patternheavy traffic (uncountable noun)
Use it right
Choose the version that sounds natural in speech.
'Heavy traffic' is the standard collocation; 'high density of vehicular congestion' is officialese.
Build natural chunks
Words that usually travel with it.
heavy trafficheavy trafficstuck in trafficrush-hour traffictraffic jam
Don't confuse it
Don't confuse with 'light traffic,' which means there are few cars and the road is clear.