Roadwork Brings Closures Across Four States

The Sacramento project will close the northbound I-5 loop on-ramp at Pocket Road for the entire 59-hour construction period, while the westbound Pocket Road on-ramp to northbound I-5 will remain open.
Crews plan to remove and replace multiple concrete slabs on the northbound I-5 lanes at the undercrossing, with Caltrans warning of substantial daytime and nighttime delays.
Arizona’s transportation department listed six freeway closures and restrictions for Sept. 18-21, but cautioned that the schedule could change because of weather or other factors—not only flash-flood conditions.
The reported hazard on northbound Highway 17 near the Pasatiempo Drive off-ramp was an object leaning into the No. 2 lane and potentially posing a danger to drivers.
The Santa Cruz County traffic report notes that its incident information is partially AI-generated and may contain errors, a qualification relevant to interpreting the listed closures and hazards.
Major roadwork is hitting four states this month, forcing drivers to detour or brace for delays. Caltrans will shut down northbound Interstate 5 in Sacramento for 59 hours starting Friday evening to replace concrete slabs, while Arizona officials warned that six freeway closures scheduled for Sept. 18-21 could shift due to weather and extreme heat near 103 degrees.
In California's coastal areas, Highway 1 closures and bridge work will persist through April 2027. Delaware Department of Transportation has blocked a lane on southbound Route 1 near Lewes for barrier and paving work through Sept. 25. Wyoming is also rotating closures on U.S. Highway 14A.
Drivers heading north on Interstate 5 in Sacramento will face a complete closure from Friday evening through Monday morning. Caltrans crews will remove and replace multiple concrete slabs at the undercrossing near Pocket Road. The on-ramp from Pocket Road to northbound I-5 will close entirely, but the westbound Pocket Road on-ramp to northbound I-5 stays open.
Both daytime and nighttime delays will hit the area substantially. Drivers should use Florin Road or Highway 99 as alternate routes. Caltrans emphasized the project's duration and warned commuters to plan ahead or avoid the corridor during this window.
Arizona Department of Transportation scheduled six freeway closures and restrictions for Sept. 18-21, but the dates may shift. Phoenix temperatures are forecast near 103 degrees, and flash-flood risks could force changes. State officials said the schedule depends on weather conditions and other unforeseen factors.
Drivers in the Phoenix area should monitor updates before traveling that weekend. Heat and storms can disrupt concrete work and construction crews' ability to safely complete tasks on deadline.
Southbound Highway 1 in Santa Cruz County remains closed at Park Avenue in Capitola through Nov. 19 for paving. Bridge work on Highway 9 will alternate closures in both directions through April 30, 2027—more than two years of disruption. Highway 236 near Boulder Brook Drive has one-way traffic through Sept. 21 due to pavement repairs.
Santa Cruz County noted its traffic report includes AI-generated incident information that may contain errors. Drivers should verify details before planning long trips along the coast. A hazard on northbound Highway 17 near Pasatiempo Drive—an object leaning into the No. 2 lane—posed a danger to drivers and was reported.
Southbound Route 1 near Lewes, Delaware, has a closed lane for barrier work and paving through Sept. 25, weather permitting. Delaware Department of Transportation expects congestion in the area during this period. Drivers should allow extra time for this stretch of coastal highway.
Wyoming's U.S. Highway 14A will rotate closures to opposite sides as work progresses. These state-level projects add to the nationwide pattern of summer and fall roadwork affecting major routes from coast to coast.
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