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
Agency Name
Environmental Maintenance - Caltrans
Contact Types
Lead/Public Agency


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.


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