Wisconsin Central's Neenah Sub Examine closely one subdivision of the most successful midwestern regional of all time - Wisconsin Central's main line between North Fond du Lac and Stevens Point, Wisconsin. Altamont Commuter Express From the cab, yard, and platform - experience new commuter service from the Central Valley to the Bay Area over Union Pacific's former Western Pacific Altamont Pass route. UP's Ties to Track Spend a day at work with a Union Pacific maintenance-of-way crew on the railroad's original transcontinental main line. RN429 Pentrex P.O. Box 94911 Pasadena, CA 91109-4911