Upgrade the Cellular Communications for Traffic Management Systems


SCH Number
Public Agency
California Department of Transportation, District 4 (DOT)
Document Title
Upgrade the Cellular Communications for Traffic Management Systems
Document Type
NOE - Notice of Exemption

Document Description
The California Department of Transportation, District 4 (Caltrans) will upgrade, throughout the Bay Area, the cellular communications from 3G-to-4G for Traffic Management System (TMS) field Changeable Message Signs (CMS), Traffic Signals, Ramp Meters (RM) and Vehicle Detector Stations (VDS).

Contact Information
Michael McGowan
Environmental Maintenance - Caltrans
Lead/Public Agency
111 Grand Avenue
Oakland, CA 94612

Phone : (510) 286-6008


Alamo Albany Antioch Belmont Benicia Berkeley Brisbane Burlingame Calistoga Cloverdale Concord Cotati Danville Dixon El Cerrito Fairfield Foster City Fremont Hayward Healdsburg Hercules Lafayette Livermore Martinez Menlo Park Millbrae Moraga Napa Oakland Orinda Petaluma Pinole Pittsburg Pleasant Hill Pleasanton Redwood City Richmond Rio Vista Rohnert Park San Bruno San Carlos San Francisco San Leandro San Mateo San Pablo San Ramon Santa Rosa Sebastopol Sonoma South San Francisco Suisun City Union City Vacaville Vallejo Walnut Creek Windsor Woodside
Alameda Contra Costa Marin Napa San Francisco San Mateo Solano Sonoma
San Francisco Bay Area
Other Location Info
Throughout the entire Bay Area, along all the state routes, interstates, and state highways.
Other Information
Various post miles

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
PRC 21084; 14CCR 15301(c)(d)
Reasons for Exemption
Class 1: Existing Facilities; (c): Existing highways and streets, sidewalks, gutters, bicycle and pedestrian trails, and similar facilities. (d): Restoration or rehabilitation of deteriorated or damaged structures, facilities, or mechanical equipment to meet current standards of public health and safety, unless it is determined that the damage was substantial and resulted from an environmental hazard such as earthquake, landslide, or flood.


Notice of Exemption
EA 4AC20_CE_Final_04152021   PDF 794 K EA 4AC20_signed_NOE   PDF 80 K

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