Los Alamos DUI checkpoint screens 1,523 vehicles, issues no citations

A Diamond Drive DUI checkpoint screened 1,523 vehicles and issued no citations, a result that suggests most motorists passed without incident but still raises the question of how Los Alamos County measures success when officers devote time and staffing to a high-visibility stop.

Deputy Chief James Rodriguez said the checkpoint ran Thursday, April 30, and led officers to send three people to secondary evaluation while issuing four warnings. In a county where Diamond Drive carries commuters, students, and drivers headed toward major destinations, the operation was as much about deterrence as enforcement: making impaired drivers think twice before a bad decision turns into a crash, an injury, or a fatality.

The location matters. Diamond Drive is one of the county’s most traveled corridors, linking homes, schools, businesses, and county facilities. It also serves the Los Alamos High School area and the route toward Los Alamos National Laboratory. Driving down Central Avenue and turning left on Diamond Drive crosses the Omega Bridge, which Los Alamos National Laboratory says was built in 1951, tying a modern sobriety stop to one of the townsite’s oldest and most familiar roadways.

The no-citation tally may reassure some drivers, but it also leaves a taxpayer-accountability question hanging in the air: how should residents judge the value of a checkpoint that stops more than 1,500 vehicles without a single citation? Police have long said such operations are aimed not only at impaired driving but also at underage drinking and open-container violations, and Los Alamos County notices have pointed residents to the Emergency Communications Center at 505.662.8222 for suspected drunk drivers. The checkpoint’s presence itself is part of the strategy, especially on roads where traffic mixes school runs, lab commutes, and everyday local travel.

The local operation also fit into a broader statewide campaign. New Mexico State Police said sobriety checkpoints, saturation patrols, and registration, insurance, and driver’s-license checkpoints were scheduled in all New Mexico counties during April 2026 and would continue in May. The New Mexico Department of Public Safety says DWI checkpoints are conducted under court-ordered rules, with officers stopping and observing drivers for signs of impairment and pulling over only those who appear impaired for further testing. For Los Alamos, the April 30 checkpoint was one more test of how much visible enforcement can shape behavior before a serious wreck forces the issue.