Rapid Response by DRI vs ForensicCrash

Rapid Response is the crash reconstruction toolkit built for forensic traffic analysts, collision investigators, and law enforcement professionals who need accurate math in the field — not back at the office. Built by the Driver Research Institute, Rapid Response puts 70+ peer-referenced formulas, case documentation tools, and crash-data lookups in one app, with results you can trust and export straight into a report. CALCULATIONS • 70+ formulas covering speed from skid/yaw, drag factor, braking, conservation of momentum, pedestrian throw, motorcycle and bicycle dynamics, lead-vehicle avoidance, perception-reaction time, and more • Switch instantly between US, SI, and UK unit systems • Auto-fill presets with tappable source citations linking straight to the underlying research • Step-by-step "working" breakdowns you can review, not just a final number • Built-in Monte Carlo sensitivity analysis for uncertainty ranges FIELD TOOLS • Scene Diagram — freehand scene sketching with adjustable point density, built for on-scene documentation • Photo Log — in-app camera with automatic GPS, timestamp, and case-note EXIF embedding • Vehicle Inspection — structured photo and note capture for post-crash vehicle documentation • VIN Doctor — decode a VIN and pull IIHS safety ratings • Case Manager — organize calculations, photos, and notes by case • Sun & Moon — lighting-condition lookups for time-of-crash visibility analysis CRASH DATA LOOKUPS • FARS Crash Lookup — search NHTSA's Fatality Analysis Reporting System • UK Crash Lookup — search UK Department for Transport STATS19 collision data REPORTING • Generate a clean PDF export of your calculations, complete with citations, ready to attach to a case file COMMUNITY • A professional forum to discuss cases, methods, and best practices with other reconstructionists Rapid Response is free to use during our launch period — no subscription required to access the full formula library, tools, and forum. Create a free account to get started. Rapid Response is a calculation and documentation aid. It does not constitute legal or engineering advice and is not a substitute for professional judgment or licensed expert testimony. See in-app Terms of Use for details.

ForensicCrash is the professional platform built by crash investigators, for crash investigators. Field tools you reach for at the scene, and the community, training and suppliers behind the work — in one place. FIELD TOOLS Calculators and lookups built for how the work actually happens. Most run entirely offline and keep working where there is no signal. Most run entirely offline. Sign in once, and they keep working where there's no signal. - VIN decoder — full vehicle specifications from the NHTSA database, passed through verbatim. - Compass and GPS — bearing and coordinates - Speedometer — GPS speed with peak hold and an optional over-speed alarm - Level — a bubble level for equipment setup: tripod heads, scale bars, camera mounts - Conversions — length, speed, mass, volume, pressure, temperature and angle, every factor carried at its exact value - Time — UTC and local, date-aware - Tire size speed change — speedometer correction for non-OEM tires - Gear ratio and speed — road speed in gear from RPM and final drive CONNECT - Member directory — search fellow reconstructionists by region and specialty - Jobs board — opportunities across the crash investigation community - Resource library — reference materials for your work - Non-profit organizations serving the field - Quick Connect — exchange contact cards instantly with a QR scan at conferences and courses LEARN - Unified training calendar — find courses worldwide, searchable by topic and location - Digital classroom — check in by QR code, access class materials, and complete tests and surveys - Certificates — earn and verify your credentials, including ACTAR-recognized training - My Registrations — track the courses you have signed up for EQUIP - Marketplace — equipment, books, software, and professional services - Sell your used gear - Vendors and training providers directory Built for professionals in accident reconstruction, forensic engineering, law enforcement crash investigation, and litigation support, ForensicCrash.net serves practitioners across more than a dozen countries. Membership is free to join. Create your profile, explore the directory, and browse training and the marketplace at no cost. An optional Expert subscription unlocks premium features. Expert Annual Membership is $49.99 per year, auto-renewing, and can be cancelled anytime in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Questions? Email admin@forensiccrash.net