# Innovation in Traffic Control The Rumbler Siren Shakes Car By Going Like Sixty | Published 2008-01-17 | Autos Source: Trend Hunter, https://www.trendhunter.com/trends/rumbler-siren-shake References: [autoexpress](http://www.autoexpress.co.uk/news/autoexpressnews/213420/police_siren_shakeup.html) I know this has happened to you. You're rocking out to a tune in your car, and suddenly are aware that an [emergency vehicle](https://www.trendhunter.com/trends/active-worksite) is very close. You never heard the siren. Now, a number of police departments are adding a new type siren that can be felt. Kind of like Sir Mix-a-lot booming Baby Got Back from the speakers in the low rider 200 feet behind you. **Implications** - This new Rumbler sends a [low-frequency sound](https://www.trendhunter.com/trends/vibration-sensors) that is able to shake the ground. The Rumbler was designed to send out ten seconds of shaking at a time, as long as the area is safe. The featured video interviews police officers and drivers who take about what they think of this new [traffic control innovation](https://www.trendhunter.com/trends/motorcycle-radar). ## Trend Insights (Trend Hunter) - Score: 5.0/10 - Popularity: 55% | Activity: 86% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Autos](https://www.trendhunter.com/autos) ## Key Themes ### What's Driving This Trend - **Shaking Sirens:** The development of sirens that produce low-frequency vibrations to alert drivers to emergency vehicles presents an opportunity for disruptive innovation in traffic control systems. - **Sensory Communication:** The use of vibrations as a means of communication can be explored as a disruptive innovation in various industries, such as public safety, transportation, and automotive. - **Inclusive Signaling:** The adoption of siren technologies that cater to individuals with hearing impairments creates an opportunity for disruptive innovation in accessibility and assistive technology sectors. ### Who This Affects Most - **Public Safety:** The integration of shaking sirens in emergency vehicles presents a disruptive innovation opportunity to enhance traffic control and increase public safety measures. - **Transportation:** The implementation of sensory communication systems, such as shaking sirens, can revolutionize traffic management, improving efficiency and reducing congestion. - **Automotive:** The development of vehicle technologies that can interpret and respond to low-frequency vibrations generated by shaking sirens paves the way for disruptive innovation in active safety systems and driver assistance features. ## Related on Trend Hunter - [Inclusive Audio Features](https://www.trendhunter.com/trends/tim-vibe.md) - [Music-Driven Pleasure Toys](https://www.trendhunter.com/trends/groove-thing.md) - [Urban Robot Traffic Safety](https://www.trendhunter.com/trends/polis.md) - [Bouncy Car Suspension Systems](https://www.trendhunter.com/trends/car-suspension-system.md) - [Multisensory Car Seats](https://www.trendhunter.com/trends/sensorysoothe.md) - [Musician-Friendly Chairs](https://www.trendhunter.com/trends/throne-x.md) - [Vibrating Wearable Speakers](https://www.trendhunter.com/trends/xiaomi-wearable-speaker.md) - [Impact-Detecting Car Devices](https://www.trendhunter.com/trends/bmmpr-one.md) - [Immersive Womblike Speaker Pods](https://www.trendhunter.com/trends/tersa-sava.md)