Physical Cross-Section & Gravitational Incline Profile
Real-time D3.js Kinematics Vector
Downhill Kinetic Energy
2.88 MJ
Total Combined Mass: 14,840 kg
Brake Rotor Temp & Fade Risk
482 °C
Thermal Fade Onset: >450 °C (Critical)
Barrier Impact Containment
FAILED
Req: 287 kJ vs Cap: 82 kJ
Max Safe Run Before Ramp
780 m
Runaway Escape Ramp Interval Needed
CRITICAL HAZARD: Containment Deficit & Runaway Danger
NON-COMPLIANT
Under current 14% slope conditions with standard W-Beam guardrail, a 14.8-tonne transit vehicle plunging off-angle will exceed structural barrier capacity by 250%, deflecting past the rail into the 100 ft ravine. Additionally, sustained downhill braking generates rotor temperatures well in excess of 450°C, producing acute thermal brake fluid vaporization and mechanical friction fade.
| Containment Standard | Test Vehicle Mass | Containment Energy (kJ) | Status Under Current Impact Vector |
|---|
Source-Grounded Civil Context: Rugged Volcanic Transit Corridors
Steep volcanic archipelagos such as Cape Verde, the Canary Islands, and the Azores possess extreme mountainous switchbacks featuring road gradients exceeding 12–15% directly adjacent to deep eroded gorges. Standard highway W-beam barriers (EN 1317 N2 / AASHTO TL-2) are designed primarily for light passenger vehicles (1,500 kg). Operating loaded school coaches or intercity transit vehicles on unreinforced verges without EN 1317 H4b high-containment reinforced concrete parapets and gravel arrestor beds creates severe vulnerability to catastrophic drop-offs in the event of auxiliary brake failure.