# tvl.net.au

> AI-optimized mirror of tvl.net.au containing 26 pages totalling 20,028 words of clean markdown content, structured data, and semantic HTML. Original source: https://tvl.net.au/. Last updated: 2026-06-15T22:31:02.882Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [Court-experienced expert witness. Senior Road Safety Auditor. 25+ years across road, vehicle and driver.](/content/site-root.html): TVL provides forensic crash investigation, expert witness testimony and road safety engineering services across Victoria and Australia. Principal Johann Tay, 25+ years experience. (992 words)

## Articles & Blog Posts

- [Johann Tay – Founding Principal, TVL](/content/about/our-principal/index.html): Johann Tay is a forensic crash investigator, Senior Road Safety Auditor and court-appointed expert witness with 25 years experience across road, vehicle and driver domains. (897 words)
- [What the evidentiary window looks like](/content/engaging-an-expert-witness-early-in-a-road-crash-matter.html): When to engage a road crash expert witness in Victoria, and why early involvement preserves the vehicle, scene, and EDR evidence a brief later depends on. (1,827 words)
- [What design standards do and do not guarantee](/content/a-road-can-meet-standards-and-still-cause-crashes/index.html): Austroads compliance is not a finding that the road was safe. Why standards-compliant geometry can still mislead drivers, and what that means in litigation. (1,738 words)
- [Driver Perception and Fault in Crash Reconstruction | TVL](/content/the-question-is-not-whether-they-saw-it/index.html): In a collision, "did the driver see it?" is two questions: one measurable, one for the court. A forensic look at perception and fault via Manley v Alexander. (2,240 words)
- [The ADAS capability gap](/content/vehicle-technology-is-outpacing-the-frameworks-that-govern-it.html): ADAS and Level 2 automation are outpacing the rules that govern them. What fleet operators and advisors get wrong about AEB capability and duty of care. (1,927 words)
- [Frequently Asked Questions](/content/faq/index.html): Answers to common questions about TVL's expert witness, road safety engineering, CPD, and vehicle technology services. Contact Johann Tay directly for specific enquiries. (900 words)
- [What an EDR records](/content/what-an-event-data-recorder-tells-you-after-a-crash-and-what-it-doesnt.html): What a vehicle event data recorder (EDR) does and doesn't capture after a crash, and the four interpretation errors that don't survive cross-examination. (1,917 words)
- [Road Safety Engineering & Infrastructure Consulting](/content/services/road-safety-engineering/index.html): TVL provides road safety audits, Safe System assessments, infrastructure funding bids, and human factors analysis across Victoria and Australia. Senior Road Safety Auditor accreditation. (934 words)
- [Forensic Crash Investigation & Expert Witness Services](/content/services/expert-witness/index.html): TVL provides forensic crash investigation and expert witness services to Victorian courts, law firms and insurers. (1,097 words)
- [Vehicle Technology & Innovation](/content/services/vehicle-technology-innovation/index.html): TVL provides ADAS assessment, EDR analysis, automated vehicle policy advice, fleet safety strategy, and retrofit safety technology consulting across Australia. (965 words)
- [The Gap in Driver Perception](/content/category/travelog/index.html) (559 words)
- [What We Stand For](/content/about/our-mission-values/index.html): TVL exists to improve road safety outcomes by understanding the road transport system more completely than current practice allows.That means going beyond (928 words)
- [CPD for Legal Practitioners](/content/services/training-cpd/index.html): TVL offers complimentary CPD sessions for legal practitioners on forensic crash investigation, vehicle safety, and road environment evidence. Delivered by expert witness Johann Tay. (570 words)
- [News & Events](/content/news-events/index.html): TVL news, professional updates, and upcoming events — including conference presentations, CPD sessions, and webinars delivered by road safety expert Johann Tay. (490 words)
- [Get in Touch](/content/contact-us/index.html): Contact TVL principal Johann Tay for expert witness briefs, road safety engineering, CPD sessions, and vehicle technology enquiries. Based in Kew, Melbourne, Victoria., Please fill in this form with details of your enquiry (348 words)
- [Travelog](/content/news-events/travelog/index.html): Field notes and professional commentary from TVL principal Johann Tay — on crash investigation, vehicle safety, the Safe System, and the road transport system. (372 words)
- [What TVL Does](/content/services/index.html): TVL offers forensic crash investigation, expert witness services, road safety engineering, training and CPD, and vehicle technology consulting across Victoria and Australia. (533 words)
- [Careers at TVL](/content/about/careers/index.html): TVL is a specialist road safety and forensic crash investigation consultancy based in Kew, Melbourne. Enquire about opportunities to work with Johann Tay and the TVL network. (303 words)
- [Events - Traffic Vehicles & Logistics Pty Ltd](/content/category/events/index.html) (76 words)
- [Events](/content/news-events/events/index.html): Upcoming appearances by Johann Tay — road safety conference presentations, CPD sessions for legal practitioners, and webinars on crash investigation and vehicle technology. (84 words)
- [About TVL](/content/about/index.html): TVL's practice is grounded in the Safe System philosophy, a commitment to genuine causal inquiry, and the belief that better investigation leads to better outcomes for road users and the justice system. (237 words)
- [page-sitemap-xml.html](/content/page-sitemap-xml.html) (60 words)
- [category-sitemap-xml.html](/content/category-sitemap-xml.html) (4 words)
- [post-sitemap-xml.html](/content/post-sitemap-xml.html) (24 words)
- [sitemap_index-xml.html](/content/sitemap_index-xml.html) (6 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/robots.txt): Crawler directives