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Message: <blockquote data-quote="Lycanthrope" data-source="post: 469650" data-attributes="member: 562">Self-driving vehicles like Tesla's Full Self-Driving (FSD) system generally have significantly faster reaction times than the average human driver when a sudden obstacle appears in the vehicle's path, primarily due to advanced sensors (e.g., cameras, radar) that enable near-instantaneous detection and processing, often in under 0.3 seconds. torquenews.com This is 5-15 times quicker than humans, allowing for more effective avoidance maneuvers in most scenarios, though AVs can still face challenges in complex conditions like low light or turns.Average Human Driver Reaction TimeThe average human driver's reaction time to a sudden obstacle (e.g., a pedestrian, debris, or stopped vehicle) is approximately 1.5 seconds. reddit.com This includes:<ul> <li data-xf-list-type="ul">Perception: 0.4-0.6 seconds to detect the hazard visually or audibly. news.mit.edu</li> <li data-xf-list-type="ul">Decision and Action: An additional 0.9-1.1 seconds to decide on a response (e.g., brake or swerve) and initiate it, such as moving the foot to the brake pedal (average brake reaction time ~1.43 seconds). sciencedirect.com Factors like age, distraction, fatigue, or impairment can extend this to 2.5 seconds or more, contributing to 94% of crashes being linked to human error. thegradient.pub</li> </ul>Tesla FSD Reaction TimeTesla's FSD (and similar Level 2-4 autonomous systems) processes data in real-time with low latency, reacting to sudden obstacles in about 0.1-0.3 seconds. quora.com +1 Key elements:<ul> <li data-xf-list-type="ul">Detection: Sensors like radar detect obstacles over 150 meters away, even in poor visibility (e.g., rain), far beyond human range (~10 meters in fog). nature.com</li> <li data-xf-list-type="ul">Processing and Response: AI models analyze frames at high speeds (e.g., 36-100 fps), enabling predictive avoidance—such as instant braking or swerving—without human-like delays. youtube.com +1 Real-world examples show FSD avoiding lane intrusions or obstructions "instantly," outperforming humans in detection speed. torquenews.com However, in rare cases (e.g., sensor failures or disengagements), FSD may require human intervention, which can occur every 13 miles on average. reddit.com</li> </ul>Direct Comparison<ul> <li data-xf-list-type="ul">Speed Advantage: Tesla FSD reacts 5-15 times faster (0.1-0.3 s vs. 1.5 s), reducing accident risk in scenarios like rear-end collisions (up to 54% lower odds for AVs). nature.com AVs don't fatigue or distract, further amplifying this edge.</li> <li data-xf-list-type="ul">Limitations: In dawn/dusk (5x higher AV accident rate) or turning (2x higher), AVs may underperform due to sensor challenges, sometimes reacting slower or less intuitively than humans. facebook.com +1</li> <li data-xf-list-type="ul">Overall Safety: Studies show AVs like Tesla are safer in most sudden-obstacle situations, with lower crash rates, but full autonomy (e.g., no human fallback) is still evolving.</li> </ul></blockquote>

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