Jun 112019
 

According to information released in response to a public records request, the Northern California Regional Intelligence Center collected more than 79.2 million license plate reader records from 32 local law enforcement agencies from June 2018 to May 2019.

Piedmont, a city with about 11,000 people, sent the most data to NCRIC, with more than 22.4 million license plate reader records, which include license plate numbers and photographs of vehicles and their surroundings. Piedmont has more than 30 stationary license plate readers that capture nearly all traffic coming into and out of Piedmont.

In calendar year 2018, Piedmont collected 21.6 million records from its license plate readers and reported 8,120 hits, when a record from a license plate reader matched a list of license plates that includes stolen vehicles, stolen license plates, wanted persons, etc. Using that information, 99.96% of the data collected by Piedmont’s license plate readers is from people who are not suspected of are charged with any crime. That closely matches a similar analysis in 2014 that showed 99.97% of the data collected from Piedmont’s license plate readers did not generate a hit.

Fremont, a city with about 230,000 people, sent 17.7 million records to NCRIC and Vallejo, a city of 120,000 people, sent 15.8 million records to NCRIC.

Other agencies sending more than a million records to the NCRIC each year include the Central Marin Police Authority (Larkspur, San Anselmo and Corte Madera), Daly City, San Francisco, Modesto, Alameda County Sheriff, San Leandro, and South San Francisco.

Other law enforcement agencies use license plate readers from Vigilant Solutions, a private company that collects data from law enforcement agencies and private companies. Data from 2017 indicates that Bay Area agencies in Danville sent 33.4 million license plate records to Vigilant, Pittsburg sent 31.4 million records, Brentwood sent 12.9 million records, and Alameda and Novato each sent 1.6 million records.

Sources:

Jun 102018
 

3M P492 license plate readers on Fremont Bouldvard at Enea Terrace

License plate readers on Northbound Fremont Boulevard

According to data from the Northern California Regional Intelligence Center (NCRIC), the city of Fremont collected 14.5 million license plates and photos from license plate readers located throughout the city from December 2016 to October 2017.

The installation of stationary license plate readers was approved by the Fremont City Council on July 14, 2015, without any public comment or discussion during the meeting.

Of the 28 jurisdictions sending license plate reader data to NCRIC, Fremont collects the third-highest amount of data, behind Vallejo (21.7 million) and Piedmont (21.3 million). NCRIC is a regional fusion center that provides a license plate database where agencies can send their collected data. Other agencies, including the IRS, Department of Homeland Security, FBI, National Park Service, California Department of Insurance and others can access this database and search for license plate data.

The license plate reader on westbound Stevenson Boulevard near the entrance to northbound Interstate 880 generates the most data, collecting an average of 14,736 license plates and photographs each day during October 2017.

Although similar statistics are not available for Fremont, analysis of license plate reader data from other jurisdictions has found that 99.7% of the data collected by license plate readers is of people not suspected of or charged with any crime. For Fremont, that means 14,519,834 of the 14,563,525 photos and license plates collected during an 11-month period was of innocent people.

Click here for a map showing license plate reader locations and links to Google Street View images:

Eastbound Auto Mall Parkway at Christy (1): Google Street View

Westbound Mowry Avenue at entrance to Northbound 880 (1): Google Street View

Westbound Decoto Road at entrance to Northbound 880 (1): Google Street View

Southbound Ardenwood Boulevard to Westbound 84 (1): Google Street View

Westbound Stevenson Boulevard at entrance to Northbound 880 (1): Google Street View

Northbound Mission Boulevard at Washington Blvd (1): Google Street View

Southbound Mission Boulevard at Paseo Padre Parkway (2): Google Street View

Northbound Fremont Boulevard at Enea Terrace (2): Google Street View

Camera operated by Pacific Commons Shopping Center at Northbound Christy Street south of Auto Mall Parkway (1): Google Street View

Source documents:

NCRIC ALPR data from December 2016 to October 2017
NCRIC ALPR data from October 2017 to July 2018