The Highway 101 ramps at Tefft Street in Nipomo will be closed from 9 p.m. Friday until 5 a.m. Saturday for maintenance.
Each ramp will be closed for approximately two hours to allow Caltrans to perform sweeping, pothole repair and crack sealing, according to a Caltrans news release.
The southbound onramp will be closed first, followed by the closure of the northbound off-ramp, the southbound off-ramp and the northbound onramp.
Motorists will detour by using Willow and Thompson roads.
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In addition, the southbound Highway 101 ramps at Highway 166 East will be closed from 9 p.m. Saturday to 5 a.m. Sunday for guardrail repair and crack sealing. The southbound on-ramp will be closed first followed by a closure of the southbound off-ramp.