Most of the construction will occur inside the tunnel and incremental traffic delays will be instituted during the construction period, which begins September 8 through December 13, 2013. The work is needed to clean and repair the Wawona Tunnel, which includes repairing sections of the tunnel wall, floor, and ceiling, sealing cracks and joints, improving the drainage system, and cleaning the interior of the length of the tunnel. Traffic delays will be scheduled throughout the duration of the construction project. However, no delays will occur over weekends or holidays. Throughout the project, there will be controlled traffic and pilot car operations. The public is urged to drive with caution during the duration of the construction.
The schedule for the traffic delays is as follows:
Sunday, September 8 through Sunday, September 29:
- Sunday evening at 8:00 p.m. to Friday afternoon at 4:30 p.m., traffic delays will occur from 8:00 p.m. to 6:00 a.m. (delays up to 30 minutes)
- 6:00 a.m. to 8:00 p.m. (delays up to 15 minutes)
- Sunday evening at 8:00 p.m. to Friday afternoon at 4:30 p.m., traffic delays will occur from 8:00 p.m. to 10:00 p.m. (delays up to 30 minutes)
- -10:00 p.m. to 6:00 a.m. (delays up to two hours)
- -6:00 a.m. to 8:00 p.m. (delays up to 15 minutes)