Traffic Terminology and Regulation

the coming and going of cars, airplanes, people, etc. in an area at a particular time

The traffic on the highway was heavy during rush hour.

a set of rules and regulations that govern the conduct of drivers and pedestrians on the road

Obeying the traffic code is essential for ensuring safety on the roads for everyone.

the legal right for a vehicle or pedestrian to proceed before others in a particular situation

The car on the main road had the right of way.

a regulation requiring motorists to change lanes or slow down when passing emergency vehicles parked on the roadside

In many countries, the move over law aims to protect emergency responders by creating a safer space around their vehicles.

the legal maneuver allowing drivers to make a right turn at a red traffic light after coming to a complete stop

In some countries, drivers are allowed to make a turn on red when it is safe to do so.

the most speed that a vehicle is legally allowed to have in specific areas, roads, or conditions

The speed limit on this highway is 65 miles per hour, so be sure to obey it for safety.

a technology that uses optical character recognition to read vehicle license plates

The city installed automatic number plate recognition (ANPR) systems at key intersections to help monitor and manage traffic flow.

a type of camera that is used to detect and record traffic violations, such as speeding or running a red light, and to capture images or video of the offending vehicle

a device installed at intersections to automatically photograph vehicles that run red lights

Red light cameras help enforce traffic laws by capturing images of vehicles that do not stop when the traffic signal turns red.

a set of lights, often colored in red, yellow, and green, that control the traffic on a road

The traffic lights turned red, so all the cars came to a stop.

the red light at the back of a vehicle that lits up when brakes are used to signal stopping or slowing down to other drivers

The driver in front of her tapped the brakes, causing the stoplights to flash brightly.

approval to begin a project

The manager gives the green light for the project to proceed.

a traffic signal indicating that vehicles should prepare to stop as the light is about to turn red

He slowed down when the traffic signal turned yellow.

a signal that informs drivers that they must stop their vehicles

She came to a complete stop when the red light appeared at the intersection.

a device used to immobilize vehicles by securing it around a wheel, preventing movement

The parking enforcement officer placed a wheel clamp on the illegally parked car to ensure it wouldn't be driven away.

a designated place where vehicles are stopped for inspection or control, often by law enforcement

The police set up a checkpoint to check for drunk drivers.

a method used to measure the amount of alcohol in a person's breath to determine if they are under the influence of alcohol

During a traffic stop, police officers often administer a breath test to drivers suspected of drinking alcohol.

a place where police officers measure the speed of vehicles and issue tickets to those exceeding the speed limit

He got a ticket after driving through a speed trap.

the measures taken to slow down vehicles and improve safety on roads

Many neighborhoods install speed bumps as a form of traffic calming to reduce the speed of cars passing through.

the redirection of traffic lanes to accommodate opposite directional flow, typically during emergencies or events

During hurricanes, contraflow lane reversal helps evacuate coastal areas quickly and safely.

the task of directing traffic, usually performed by a police officer or traffic warden at an intersection or congested area

The officer was assigned to point duty during rush hour.

a group of police officers responsible for enforcing traffic laws and ensuring safety on highways

The highway patrol monitors vehicles for speeding and other traffic violations.

the officers who manage and enforce traffic laws and regulations

Traffic police are responsible for ensuring that drivers obey traffic rules and maintain safety on the roads.

a person who helps direct and manage the flow of vehicles on roads, ensuring safety for drivers and pedestrians

The traffic guard stood at the busy intersection, signaling cars to stop and go with hand gestures.

a person who controls traffic with signals and signs to ensure safety on roads and highways

The flagger stood at the construction site, directing cars around the workers.

a person who assists pedestrians, especially children, in safely crossing roads or intersections

The crossing guard stopped traffic to allow children to cross the street safely.

a narrowing that reduces the flow through a channel

a situation in which traffic is so heavily congested that movement is virtually impossible

The city center was in complete gridlock after the accident blocked all lanes.

the condition where traffic slows down or comes to a halt due to a large number of vehicles on the road

Traffic congestion during rush hour makes it difficult for people to get to work on time.

a large number of bikes, cars, buses, etc. that are waiting in lines behind each other which move very slowly

They were late to the meeting due to a traffic jam on the highway.

the movement of vehicles passing through a particular area without stopping or originating from there

Through traffic on this highway often causes delays during rush hour.

a situation where straight-moving vehicles mistakenly assume an intersection is clear because of their yellow signal, leading to potential conflicts with turning or crossing traffic

Drivers should be cautious at intersections to avoid the yellow trap where turning cars might still be crossing.

a device found on a street or in a parking lot that requires payment to allow a vehicle to be parked for a certain amount of time

He inserted coins into the parking meter to pay for an hour.

a traffic rule allowing cyclists to treat a stop sign as a yield sign, proceeding cautiously if the intersection is clear

In many places, cyclists argue that adopting an Idaho stop law could improve traffic flow and reduce accidents.

the maximum amount of time commercial drivers are allowed to operate their vehicles within a given period, as regulated by the Department of Transportation

Truck drivers must abide by hours of service regulations to prevent fatigue-related accidents on the highways.

a traffic regulation where vehicles from all directions are required to come to a complete stop at an intersection

At an all-way stop, drivers must yield the right of way to other vehicles before proceeding through the intersection.

a traffic management strategy that involves reducing the number of lanes on a road to improve safety and accommodate other modes of transportation, such as cycling and walking

Road diets can lead to fewer accidents by calming traffic and providing more space for cyclists and pedestrians.