The T Line, formerly known as Tacoma Link, is a light rail line in Tacoma, Washington, part of the Link light rail system operated by Sound Transit. It travels 4.0 miles (6.4 km) and serves 12 stations between Tacoma Dome Station, Downtown Tacoma, and Hilltop. The line carried 1.1 million total passengers in 2025, with a weekday average of over 3,900 boardings. Tacoma Link runs for nine to 18 hours per day, using streetcars at frequencies of 12 to 20 minutes.