The rule of close car-following.
The rule of close car-following The rule is that the distance away from the front vehicle is shorter than the critical distance and the speed is not lower than that of the vehicle ahead.
Driver decelerating maneuvers are used while driving without leading or following vehicles and while driving with a lead and/or following vehicle at long range, and driver turn signal operations are used when approaching an intersection under close car-following conditions.
In order to characterize this speed fluctuation in the simulation, we formulate the following four rules of speed update: the rule of traveling freely, the rule of car-following with reference, the rule of normal car-following, and the rule of close car-following.
I coughed in the smoky closed car.
On West 12th Street the cars settled into place, and the sound of closing car doors worked its way down the block.
When an Uber user needs a ride, the dispatcher and the closest car are notified, and the system sends back an estimate of the pick-up time.
Now, long after Jacquard's invention, we simply ask Amazon's Echo to start a pot of coffee, or Apple's Siri to find the closest car wash.
Add to that a second development, the Japanese worry that their economy is becoming "hollowed out": steel mills are closing, car plants are contracting and, worse, old export stalwarts like Isuzu are starting to import their trucks from Chongqing.
