Tractor-Trailer and Car Pileup on Ruta 27: Major Highway Corridor Paralyzed After Heavy Crash

San José, Costa Rica—A heavy tractor-trailer lost braking control on a downhill grade at 7:15 AM on Monday, crashing into four passenger cars on Ruta 27. The high-speed impact crushed two sedans against the concrete center divider before the commercial rig jackknifed across all westbound lanes. Shattered glass, twisted metal, and spilled diesel fuel covered fifty meters of asphalt, bringing morning commuter traffic to an instant halt.

Red Cross ambulances and highway patrol officers arrived within minutes, deploying hydraulic rescue tools to free trapped motorists from crushed vehicle cabins. Paramedics established an emergency triage area on the gravel shoulder, treating six injured drivers before dispatching them to regional trauma centers. Police confirmed that rain-slicked asphalt significantly contributed to the initial loss of vehicle traction.

Traffic backed up for twelve kilometers toward the capital, forcing transit police to divert lighter vehicles onto narrow, unpaved secondary roads. Commercial freight haulers remained stuck in place while heavy towing rigs navigated through the gridlock to reach the crash site. Representatives from the highway concessionaire arrived to assess structural damage to the concrete median barriers.

Surviving drivers reported that the semi-truck sounded its horn continuously while descending the slope before slamming into the rear of slowed commuter traffic. Federal transit inspectors seized the truck's maintenance records and tachograph logs at the scene to evaluate driver hours and brake inspections. The truck driver sustained minor contusions and remained under police guard at the hospital pending formal questioning.

Maintenance crews spread sand over the extensive fuel spill to eliminate ignition hazards before heavy cranes attempted to right the jackknifed trailer. Stranded commuters stood along the highway embankments, watching emergency personnel document skid marks and vehicle debris patterns. Transit authorities issued warnings across digital signs advising motorists to avoid the corridor entirely.

By mid-afternoon, towing operators successfully dragged the destroyed passenger cars onto flatbed haulers, clearing one emergency shoulder lane. Medical personnel confirmed that all hospitalized victims were stabilized, though two remained in critical care following emergency surgeries. Federal police officials emphasized that commercial vehicle speed limits on mountain downgrades would face stricter enforcement.

Highway maintenance teams continued scraping fuel residue from the asphalt lanes while waiting for final clearance from traffic investigators to reopen the road.

Transit police maintained control posts along the detour routes as heavy machinery prepared to tow the disabled tractor-trailer from the scene.