Microsoft, Lime and others helping to celebrate opening of new light rail line from Seattle to Eastside

Sound Transit’s Link light rail will carry passengers across Lake Washington for the first time on Saturday with the opening of the Crosslake Connection, and celebrations are planned at every stop.

Trains will begin running between Seattle and the Eastside at around 10 a.m. following a 9 a.m. street fair and ribbon-cutting ceremony at Sam Smith Park, across the street from the Judkins Park Station.

Events will take place at 10 stations across the expanded 2 Line from the International District to Bellevue and Redmond, lasting until 2 p.m. Here are a few tech-related highlights:

• Microsoft is donating 3,000 commemorative ORCA cards, loaded with the value of one light rail round-trip. The cards will be available at the welcome tent at Sam Smith Park and from Sound Transit and Microsoft ambassadors while…