Valerie Doster looks at her gasoline purchase while filling her tank at a gas station December 22, 2006 in Dunkirk, Maryland. Gas prices have risen only slightly from this time last year, according to American Automobile Association (AAA) President Robert Darbelnet. Tomorrow will be the heaviest travel day on U.S. highways.
A stranded traveler sleeps in the Denver International Airport terminal Dec. 22, 2006, after a snow storm shut down operations for two days. Flights were canceled after a blizzard dropped more than two feet of snow and closed highways.
Bert Kennedy of Denver stands at the Frontier Airlines ticket counter at Denver International Airport Friday, Dec. 22, 2006. Hundreds of people stood in lines snaking through Denver International Airport, desperate for a flight out as the airport prepared resume flights after being snowed in for nearly two days.
Flights at Denver International Airport were cancelled Dec. 22, 2006, because of a winter storm that has hit the city. The storm, which has been raging since Dec. 20, has shut down the airport, canceling flights and closing highways in and out of Denver to the state lines.
Stranded passengers rest at Denver International Airport on Dec. 22, 2006. Flights were cancelled due to a winter storm, which has been raging since Dec. 20. It shut down highways in and out of Denver to the state lines. The airport is due to re-open Friday at noon.
An airport staff member dressed as Santa hands out sweets to passengers waiting in a tent outside terminal four of London's Heathrow Airport on Dec. 22, 2006. Thick, icy fog caused the cancellation of flights for a fourth successive day, forcing thousands of frustrated passengers to scrap or delay their Christmas travel plans.
Passengers waited in a tent outside terminal one of Heathrow Airport in London on Dec. 22, 2006, as many flights were cancelled due to fog. British Airways announced it is canceling all domestic services at Heathrow on Friday, as fog covered parts of England causing widespread chaos for air travel during the run-up to the Christmas holiday.
Passengers queue outside terminal four of Heathrow Airport in London on Dec. 22, 2006. Thick fog caused the cancellation of flights for a fourth successive day Friday, forcing thousands of passengers to scrap or delay their Christmas travel plans.
An aircraft lands at London's Heathrow Airport on Dec. 22, 2006. British Airways canceled all domestic services at Heathrow, as fog covered parts of England, causing widespread chaos for air travel during the run-up to the Christmas holiday.
Some passengers in terminal one at O'Hare Airport were stuck or delayed in Chicago on Dec. 21, 2006. Fog prompted the Federal Aviation Administration to reduce the number of flights coming in for all airlines at O'Hare. United spokesman Jeff Kovick said he anticipated delays of more than an hour.
United Air passengers wait to hear flight information at O'Hare International Airport in Chicago on Dec. 21, 2006. Fog prompted the Federal Aviation Administration to reduce the number of flights coming in for all airlines at O'Hare.
Fresh off an Amtrak train from New Orleans, where she attends Xavier University, Shauna Hollis climbs over a bank of snow with her luggage on the way to her home in Denver on Dec. 21, 2006. More than two feet or of snow was dropped on some parts of Colorado before the blizzard moved out of the interior West on Thursday.
Passengers at terminal one endured flight cancellations due to fog at London's Heathrow Airport.