With summer in full swing more people are out on the road, and updated travel numbers show the amount of miles driven increased in May. All road and street travel had spikes, increasing by 0.8 percent, or 2.2 billion vehicle miles, compared to May 2017, according to the Federal Highway Administration’s most recent numbers.
Month-over-month miles driven slightly increased by 0.5 percent (1.5 billion vehicle miles) compared to April 2018.
Overall travel for the month is estimated to be 286.2 billion vehicle miles. Cumulative travel for the year is up by 0.3 percent, or 4.2 billion vehicle miles, to an estimated 1,299.9 billion vehicle miles of travel.
On a year-over-year basis, the South–Gulf and West regions grew. There was 1.5 percent growth for the South-Gulf and 1.4 percent growth for the West. The South-Atlantic region decreased in its percentages by 0.4 percent. The North-East increased and North-Central regions showed minor growth. There was a 0.7 percent increase for the North-East, while North-Central increased by 0.8 percent.
Year-over-year figures in billions:
| Region | Total Travel | Percentage Change |
| North-East | 40.1 | 0.7 |
| South-Atlantic | 61.9 | -0.4 |
| North-Central | 64.0 | 0.8 |
| South-Gulf | 58.0 | 1.5 |
| West | 62.2 | 1.4 |
