Construction Activities

Upcoming Extended Closure of Northbound I-605 Loop Off-Ramp

WHAT: Crews are expected to perform paving and realignment work on the northbound I-605 Katella Avenue loop off-ramp, which will require an extended closure of the ramp. Additional extended ramp closures are anticipated through the completion of the project.

WHEN: The loop off-ramp is expected to close as soon as 9 p.m., Thursday, Aug. 20 and reopen to motorists by 6 a.m., Monday, Aug. 31.

This work may be loud. The schedule is subject to change due to weather or unforeseen operational issues.

Northbound I-605 Straight On-Ramp Opening Monday, Aug. 17

Crews anticipate reopening the northbound I-605 straight on-ramp to motorists by 6 a.m. on Monday, Aug. 17. The closure allowed crews to reconstruct and realign the on-ramp to its final configuration.

This work may be loud. The schedule is subject to change due to weather or unforeseen operational issues.

Nighttime Closures for Overhead Sign Structure

WHAT: Crews are expected to perform work to install a new overhead sign structure and remove the existing overhead sign structure along the northbound I-605. This work will require nighttime closures of the following:

• Northbound I-605 two outside lanes
• Northbound I-605 straight off-ramp to eastbound Katella

WHEN: Friday, Aug. 21, from 10 p.m. to 7 a.m.

This work may be loud. Residents may experience noise and light impacts from construction activities. The schedule is subject to change due to inclement weather of unforeseen operational issues.

Sidewalk Access

The sidewalk along eastbound Katella Avenue is open and available for pedestrian use. Construction activities are occurring behind k-rail barriers and do not affect access to the sidewalk. The westbound Katella Avenue sidewalk remains closed while crews continue construction activities in the area.

This work may be loud. The schedule is subject to change due to inclement weather or unforeseen operational issues.

Closures and Detours

Please plan ahead and expect delays during these times. Nighttime closures typically occur between 9 p.m. to 7 a.m. Specific closures for the week of Aug. 17 include:

• Outside lanes on eastbound and westbound Katella Avenue/Willow Street, at least one lane will be open to traffic at all times
• Southbound I-605 Katella Avenue loop on-ramp - click here to view detour.
• Northbound I-605 on-ramp from eastbound/westbound Katella Avenue - click here to view detour
• Northbound I-605 loop and straight off-ramps to eastbound and westbound Katella Avenue - click here to view detour

Rendering of Improvements along Katella Avenue

The rendering highlights planned improvements along Katella Avenue between Coyote Creek Channel and Epson Way. Key features include:

• Reconfiguration of the northbound on- and off-ramps into a T-intersection
• Addition of Class II bike lanes with hatched markings to indicate bike lane transitions
• Installation of a new traffic signal at the northbound I-605/Katella Avenue off-ramp, along with upgraded signals at nearby intersections
• Painted crosswalks and newly constructed sidewalks to enhance pedestrian access and safety

Community Outreach

As part of its comprehensive public awareness campaign, the Public Outreach team is offering opportunities for the community to learn more about the project, its benefits, construction activities, and potential impacts. These include:

• Public webinars
• Neighborhood meetings
• Project briefings and presentations
• Project booths at community events

Construction Closures & Detours