Colorado 811 will be close on Monday, May 27th for Memorial Day.
The observation of federal holidays will require an additional business day in regards to the mark-by-date. Tickets processed on Thursday May 23 will be due on on Tuesday, May 28th at 11:59pm. Tickets processed Friday May 24 will be due on Wednesday May 29th at 11:59pm.
Call volume is forecasted to be high on Tuesday, May 28th. To avoid long hold times, we recommend using Ticket Express to process locate requests online.