1-C. The average travel time increased by just over 5% from 21.8 minutes in 2002 to 22.9 minutes in 2010, and the average trip distance increased by almost 3% from 6.8 miles to 7.0 miles.The average travel time increased by just over 5% from 21.8 minutes in 2002 to 22.9 minutes in 2010, and the average trip distance increased by almost 3% from 6.8 miles to 7.0 miles.