DUI Checkpoint in Atherton, San Mateo
Sobriety Checkpoint Information
State: California
County: San Mateo
City: Atherton
Location: A DUI sobriety checkpoint may be set up on El Camino Real, Middlefield Road, or Alameda de Las Pulgas, where police will check for impaired driving and valid licenses.
Date: Monday, December 29, 2025 | 6 PM to 1 AM