Sound Transit's commuter rail line, Sounder, last week carried its one-millionth passenger in less than two years of operation.
The Washington service, which had about 5,200 riders its first week in September 2000, now averages more than 11,000 riders per week.
Sounder currently operates two round trips every weekday between Tacoma and Seattle and serves seven stations along the route. Ultimately, the system will operate nine round trips each day between Tacoma and Seattle and six round trips per day between Everett and Seattle.
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