North of San Francisco, the North Bay's first commuter rail line is inching toward construction. Meandering through the hilly suburbs of Marin County and the farms and vineyards of Sonoma County, the new rail line is designed to relieve pressure from the jam-packed 101 Freeway, providing a less stressful ride for North Bay commuters. As the Sonoma-Marin Area Rail Transit system moves ahead, other California rail projects—such as the $100-billion San Francisco-toAnaheim high-speed rail line—are hitting some speed bumps.