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Highway Rumble Strips Are Designed to Sound Awful, but Making Them Quieter Could Save Lives Too

One tire wanders across the painted line and the previously quiet cabin erupts with a harsh mechanical growl. The steering wheel trembles, the seat vibrates and, for half a second, it feels as if some

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The Seatbelt That Chased You Across the Door Was America’s Cheaper Alternative to an Airbag

Open the door of certain 1980s or early 1990s cars and a small buckle begins travelling along the roofline. Sit down, close the door and the shoulder belt glides toward the B-pillar, hopefully passi

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Automatic Shifters Once Put Reverse Beside Low. PRND Helped End the Confusion

A driver can move between unfamiliar modern cars and still understand the transmission selector within seconds. Park sits at one end, followed by Reverse, Neutral and Drive. Lower ranges, manual modes

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The First Crash-Test Dummy Had a Far More Terrifying Job Than Testing Cars

Long before a crash-test dummy sat behind the wheel of a family sedan, one was strapped into an aircraft ejection seat. Its assignment involved rocket sleds, aviation helmets and the violent forc

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The Man Who Invented Cruise Control Could Not See the Road

Every passenger knows the type of driver. Conversation begins, the accelerator relaxes and the car gradually slows. The driver starts speaking, enthusiasm builds and the speed rises again. Nothing dan

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That Concrete Highway Wall Has a Surprisingly Clever Way of Redirecting a Crashing Car

A concrete barrier beside a highway looks like one of the least forgiving objects a car could encounter. It is heavy, rigid and often positioned only a few feet from traffic moving at serious speed.

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The Rearview Mirror’s Origin Story Begins Before the First Indy 500

The usual history of the rearview mirror is wonderfully neat. Ray Harroun entered the first Indianapolis 500 in 1911 with a mirror attached to his Marmon Wasp. He drove alone while his competitors

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Your 1980s Sports Car May Stop Counting at 85 MPH. The Government Told It To

Open the door of an American-market performance car from the early 1980s and something may appear terribly wrong. There is the dramatic driving position, a powerful engine and perhaps a body design

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Before Every Car Got a Third Brake Light, 343 San Francisco Taxis Had to Prove It Worked

A third brake light is remarkably easy to ignore. It sits in the rear window or above the tailgate, performs one job and receives considerably less attention than the lamps surrounding it. That ano

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Porsche’s Left-Side Ignition Has a Perfect Racing Story. The Evidence Makes It Messier

Climb into a traditional Porsche and the ignition appears on the left side of the steering wheel. Most cars place it on the right, close to the driver’s dominant hand and safely within the

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