I’m in Seattle this week for the Railvolution conference, along with about half of GGW’s editorial team. Since I’ll be too busy geeking out at transit nerd nirvana to blog, each day this week there will be a brief post about some cool transportation-related thing here in Seattle. Today: Their unique bus/rail subway.

The Seattle Transit Tunnel is a 5-station subway that forms the core of Seattle’s transit network. It started off as a bus-only subway, but became a joint bus/rail tunnel when Seattle’s Central Link light rail line opened in 2009.

Each station is different, but one, Pioneer Square, would look particularly at home in DC:

Pioneer Square subway station.

Tomorrow: The famous Monorail.

 Cross-posted at Greater Greater Washington.