The Seattle Center Monorail is an elevated straddle-beam monorail line in Seattle, Washington, United States. The 0.9-mile (1.4 km) monorail runs along 5th Avenue between the Seattle Center and Westlake Center in Downtown Seattle, making no intermediate stops. The monorail is a major tourist attraction but also operates as a regular public transit service with trains every ten minutes running for up to 16 hours per day.

From Wikipedia