2003

Central U.S.

Northern U.S.

2004

Central U.S.

Northern U.S.

Providence to Seattle

2005

Central U.S.

Northern U.S.

Providence to Seattle

Southern U.S.

2006

Central U.S.

Northern U.S.

Providence to San Francisco

Providence to Seattle

Southern U.S.

2007

Central U.S.

North Carolina to San Diego

Northern U.S.

Providence to San Francisco

Providence to Seattle

Southern U.S.