Friday Roundup Oregon Rail Heritage Center ready for grand opening Saturday, Sunday Dana Tims in The Oregonian City leaders unveil suicide prevention signs KATU News 200 volunteers expected to build multi-generation playground Saturday in Northeast Portland Larry Bingham in The Oregonian Portland City Council passes resolution against coal trains Scott Learn in The Oregonian State launches foreclosure prevention website Elliot Njus in The Oregonian Hoyt Arboretum unveils 250 new trail and interpretive signs Rebecca Koffman in The Oregonian