This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in its archived form does not constitute a republication of the story.
Marc Giauque reportingHere's a statistic to consider this Memorial Day weekend: The U.S. Department of Transportation says Americans are driving at historic lows.
Tom Allen is among thousands of Utahns who now take a train to and from work.
"I'm saving about $125 a month," he said.
The Department of Transportation says Americans drove 11-billion fewer miles than they did at this time last year. There hasn't been a drop like that since 1979.
That may be good environmental news. Officials say greenhouse gas emissions fell by 9-million metric tons. But it may not necessarily be good news for highways. Funding for them depends largely on the federal gasoline excise tax.