Featured photo: US-101 road sign by hayleigh b / Unsplash. Illustrative only; not the Salinas John Street ramp or an actual October 2026 closure.
SALINAS, MONTEREY COUNTY — OCTOBER 18, 2026. Drivers heading south on U.S. Highway 101 into Salinas should prepare for a full closure of the southbound John Street off-ramp beginning Sunday, October 18. Caltrans District 5 says crews need the ramp area for drainage improvements and expect the restriction to continue until Wednesday, October 28, 2026.
Which ramp is affected?
The advisory specifically names the southbound US-101 off-ramp at John Street. Motorists traveling northbound or using unrelated US-101 exits should not interpret the announcement as a closure of the entire freeway. However, increased volumes at nearby exits can affect more drivers than those who normally use John Street.
Caltrans detour: South Sanborn Road and Work Street
The state directs southbound travelers to take the South Sanborn Road exit, continue by Work Street and reconnect with John Street. Message boards and directional signs will guide traffic. Drivers should follow the posted route rather than trying to reverse along a closed off-ramp, cross barriers, or use an unsafe shoulder stop.
How long will the closure last?
Caltrans published the closure as beginning October 18 and expected to be completed October 28. That is an anticipated completion date, not an unconditional guarantee; weather and construction conditions may require an update. The agency estimates delays of up to five minutes from this detour, although actual traffic can vary with commuting hours and incidents.
Why is drainage work important?
Drainage infrastructure helps move water away from pavement and roadway structures. Repairing or improving it can reduce roadway deterioration and standing-water hazards. Caltrans has not said that the project will eliminate every stormwater problem in the area, and its notice does not describe a wider freeway reconstruction.
Practical advice for Salinas residents
Plan the South Sanborn Road approach for medical appointments, local shopping, deliveries and trips through the southeast side of Salinas. Visitors unfamiliar with the area should review the detour ahead of time. Employers and businesses with customer traffic from southbound US-101 may want to notify arriving visitors that the normal John Street ramp will be unavailable.
Official source and live conditions
Read the Caltrans closure announcement, then consult QuickMap for highway conditions. Caltrans District 5’s press contact number in the notice is (805) 549-3318.
What changes for residents? The southbound John Street exit may be unavailable for approximately ten days. South Sanborn Road and Work Street are the recommended way around the construction zone.
Primary source: Caltrans District 5 notice dated October 12 and posted October 14, 2026. This reports a scheduled ramp restriction, not on-site observation of its actual opening or closure.
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