The Brief Sound Transit released a timeline for the Ballard Link Light Rail Extension on Friday, July 31. The Ballard extension could begin service as soon as 2042, if three major milestones surrounding funding and design are met. Sound Transit announced Friday that the Ballard Link Light Rail Extension could begin service as soon as 2042, if it is able to receive all necessary funding by 2033. The Ballard Link Extension has set important milestones to ensure the project can open in 2042. (Sound Transit)What's next:According to Sound Transit, if funds are not secured, Link light rail services to Smith Cove, Interbay and Market Street could be delayed until around 2060.