Racks to remove large debris from Waller Creek tunnel get their first test

AUSTIN (KXAN) — As heavy rains move in overnight Monday, the Waller Creek tunnel project will be using a new feature to help storm waters flow easier into the tunnel.
The tunnel itself has been operational since 2015, but there are still parts of it that need to be completed.
Last spring, there were some trash racks that removed large debris from entering the tunnel that were still not operational, but Monday night will be the first night to test it against a large rain event.
In terms of