The given chart compares how many average UK commuters per day travelling by three types of 
transports
 from 1970 to 2030.
Fix the agreement mistake
transport
Overall
, Linking Words
it is clear that
 the number of UK Linking Words
people
 Use synonyms
traveling
 by car and Change the spelling
travelling
train
 both Use synonyms
increase
 over Wrong verb form
increased
60-year
 period, Add an article
a 60-year
while
 Linking Words
people
 taking Use synonyms
Use synonyms
train
 to travel saw a slight decrease.
It is noticeable that Add an article
the train
a train
car
 Correct article usage
the car
is by
 the most popular transport in 1970, Verb problem
was
stood
 at approximately 5 Wrong verb form
standing
million
 Use synonyms
people
 and Use synonyms
people
 driving Use synonyms
the
 car in Correct article usage
a
UK
 experienced a significant rise, about 7 Correct article usage
the UK
million
 Use synonyms
people
 in 2000, and Use synonyms
then
 it is expected to reach 9 Linking Words
million
 Use synonyms
people
 in 2030.
The figure for Use synonyms
people
 who Use synonyms
taking
 Wrong verb form
take
bus
 gradually Correct article usage
the bus
decrease
 from 4 Correct subject-verb agreement
decreases
million
 in 1970 to just above 3 Use synonyms
million
 in 2020, and the prediction of it will Use synonyms
continue
 decrease in 2030. Add the particle
continue to
By contrast
, the number of Linking Words
people
 taking Use synonyms
Use synonyms
train
 was by far the least popular transport in 1970, just under 3 Add an article
the train
a train
million
, and Use synonyms
then
 the Linking Words
users
 of Correct quantifier usage
number of users
Use synonyms
train
 were a slight rise to 3 Add an article
the train
million
 in 2000, surpassing the Use synonyms
bus
 users after 2010.Correct quantifier usage
number of bus