Don’t worry if you see — or hear — an apparent emergency response at Broadway’s light rail construction site Friday morning. It’s only a drill. Here’s how a safety drill at the site in 2011 looked. Here are details on Friday’s event from Sound Transit:
Construction Update: University Link Extension
Aug. 22, 2013
Routine Safety Drill at Capitol Hill Station Site
This Friday, August 23, 2013, the Capitol Hill Station contractor will conduct an onsite safety drill between 11 a.m. and noon.
Nearby neighbors may hear three short sirens during the drill. Thank you for your patience as we complete this important test.

View the latest images from the Sound Transit construction cam
