
A deadly head-on collision on Boulder Canyon Drive on Thursday morning left one driver dead, another injured, and traffic at a standstill for hours along the narrow mountain corridor near the Chapman Drive trailhead.
According to Denver7, the crash happened around 9:23 a.m. and involved a 2020 Lexus RX350 and a 1997 Subaru Legacy. Colorado State Patrol reported that the 76-year-old Subaru driver was pronounced dead at the scene, while the 83-year-old driver of the Lexus was taken to a local hospital. The CSP Vehicular Crimes Unit is handling the investigation into what went wrong on the canyon road.
The collision took place on State Highway 119, the tight, twisting route that climbs Boulder Canyon and serves popular trailheads such as Chapman Drive. City of Boulder information notes that the Chapman Drive trailhead sits roughly four miles up the canyon and is a regular launch point for hikers and cyclists, a mix that can complicate traffic flow and emergency response when serious crashes occur.
Investigation and Road Closure
State troopers shut down Boulder Canyon Drive in both directions while they documented the scene and cleared the wreckage, and they told Denver7 that the cause of the crash is still under investigation. The Boulder County Coroner’s Office will release the identity of the driver who died only after notifying family members, in keeping with the procedure described on the office’s news-release page.
Local Context and Safety
Boulder Canyon’s sharp curves, shifting weather and steady stream of recreational users have long made the corridor a hotspot for serious wrecks. Local reporting has highlighted efforts by officials, including a Chapman Drive trailhead expansion and a proposed pedestrian bridge, aimed at pulling trail users farther from fast-moving vehicle traffic on SH-119 and cutting down on conflict between cars, bikes and hikers. For now, drivers are being told to expect delays and stick to alternate routes until authorities reopen the canyon.









