Alameda County Transportation Commission Share: Transportation Alameda County Transportation Commission Visit Website 1111 Broadway, Suite 800 Oakland, CA 94607 (510) 208-7400 (510) 893-6489 (fax) LinkedIn Facebook About Map About The Alameda County Transportation Commission plans, funds and delivers transportation programs and projects that expand access and improve mobility, fostering a vibrant and livable Alameda County. What's Nearby? Distance: 5 10 15 20 25 50 mi.