Overview
- The referral on November 13 concerns an April 7 collision on the Shin-Tomei Expressway in a Kakegawa tunnel that left a male passenger with a bone fracture.
- Investigators concluded the car was traveling at least 160 km/h just before impact and found no brake marks at the scene.
- After rear-ending a large trailer, the vehicle struck both tunnel walls before coming to a stop, according to police findings.
- Police had explored a dangerous driving causing injury case, conducted a search of Hirosue’s Tokyo residence, and staged an on-site inspection with her present, but judged that charge difficult to apply.
- A local report says Hirosue told investigators she was momentarily distracted, with the pre-impact speed estimated near 185 km/h.