 OregonLive.com | Massive crowds flock to Oregon Manife st event: Field Test route revealed BikePortland.org Huge crowds flocked to Pacific Northwest College of Art in downtown Portland tonight for a chance to see for themselves how some of the top bike builders and designers in the country tackled a challenge to create the "ultimate modern utility bike. ... Bike builders endure 51-mile 'field test' in Oregon Manifest Constructor's ... |