# How far away can you hear a fire truck?

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Stay at least 500 feet behind any moving emergency vehicle (fire truck, ambulance, patrol car) displaying flashing warning lights and sounding a siren.

## How far can sirens be heard?

How far away can I hear the ambulance siren? The volume of the siren can reach up to 140 decibels. This is as loud as a commercial aircraft taking off. Without obstructions blocking the sound, the siren tone is able to reach a distance of 300 metres (96 feet) or 6 standard car lengths ahead at maximum volume.

## How far can you hear a fire truck siren?

The physics of sound will reduce the volume of the siren as the distance from the siren increases. With today’s modern vehicles, the effective range of the siren at a 90-degree intersection is often no more than 80 feet.

## Can you outrun your siren?

Studies have recognized that sirens are a limited warning device and effective only at very short ranges and low speeds. At speeds above 50 mph, an emergency vehicle may “outrun” the effective range of its audible warning device.

## Why are sirens so loud?

The police (and other emergency services) use sirens as a warning to let motorists know they are coming. Modern sirens oscillate (i.e. the pitch goes up and down), usually in a band that sits between 1-3kHz (this is the pitch of the siren), at a volume of around 100-110dB.

## Why do I hear police sirens?

It’s to call the attention of both pedestrians and drivers and to make them aware of police vehicles on the road. … In an emergency, they are vital for clearing the road and hearing the sirens on the way should tell pedestrians not to cross the road, as a police car is coming.

## What should you do when you hear the sirens of a fire truck engine behind you?

When you hear a siren or see red flashing lights from an ambulance or fire engine, if they are following you, you must slow down and pull over. Stop if necessary. If a police car is following you with its lights flashing (which will be red and blue), then you must stop unless it passes you and continues on its way.

## Why would you hear the siren sound of a fire truck?

Answer: During the night, the sounds are refracted downwards to the ground. Therefore, the sound travels faster and clearer during the night, making it easy to hear the sound of the siren.

## When u hear a siren coming you should?

Slow down. When you hear the siren or see the flashing lights of an emergency vehicle coming from behind your vehicle, you must create a clear path for the emergency vehicle and stop. Reduce your speed and safely pull over to the side of the road.

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## Where can we usually hear the sound of fire truck?

Most fire sirens are either mounted on the roof of a fire station or on a pole next to the fire station. Fire sirens can also be mounted on or near government buildings, on tall structures such as water towers, as well as in systems where several sirens are distributed around a town for better sound coverage.

## Why do fire truck and ambulance sirens create loud sounds?

Answer: To give warnings on road. Sirens were created to notify drivers to give way to the ambulance and fire trucks as an emergency is waiving.

## How loud is a police siren?

Most emergency vehicle sirens create 110-120 decibels when turned on. Police sirens can sound louder than ambulances or fire trucks because cop cars usually have their siren mounted low on the front bumper.