What Are Speed Radar Signs?

Speed radar signs, also known as driver feedback signs or radar speed displays, are traffic-calming devices that use radar technology to detect and display the speed of approaching vehicles. These signs are designed to alert drivers when they are exceeding the posted speed limit and encourage safer driving behavior without the need for police enforcement.

Unlike speed cameras, radar speed signs do not issue tickets. Their purpose is to promote awareness and voluntary compliance through visual feedback.

Benefits of Using Radar Speed Signs

Reduce Speeding in High-Risk Areas

Speed radar signs are especially effective in school zones, residential streets, work zones, and high-traffic pedestrian areas. By providing instant feedback, they create a psychological trigger that prompts drivers to slow down.

Increase Public Safety

Numerous studies show that radar signs reduce vehicle speeds by 5 to 10 mph on average. Slower speeds contribute to fewer collisions and increased pedestrian safety.

Cost-Effective Traffic Calming

Compared to physical measures like speed bumps or additional enforcement personnel, radar signs are a low-maintenance, one-time investment that delivers long-term impact.

Data Collection Capabilities

Many radar speed signs can log vehicle speed data, traffic volume, and time-of-day activity. This data can help municipalities and property managers identify peak traffic times or areas with recurring speed violations.

Features to Consider When Choosing a Radar Speed Sign

• Radar Detection Range: Choose a sign that fits your road type and speed limit.
• Display Size & Brightness: Ensure visibility in all conditions, including bright sunlight and nighttime.
• Power Source: Options include solar-powered, battery-powered, or hardwired units.
• Mounting Type: Pole-mounted and trailer-mounted designs are available for fixed or mobile deployment.
• Data Logging: Useful for traffic studies or performance reporting.
• Compliance Options: Some signs include flashing beacons or strobe lights when a vehicle exceeds a certain speed threshold.

Common Applications

• School zones
• City streets
• Construction zones
• Industrial complexes
• Parking lots
• HOA communities
• Hospital and university campuses

Speed Radar Signs vs. Speed Cameras

Radar signs are not enforcement tools—they do not issue citations or take photos. Their purpose is preventive, not punitive. Speed cameras, on the other hand, capture license plates and are often used in ticketing programs.

FAQ: Radar Speed Signs Explained

Can radar speed signs issue tickets?

No. These signs do not have the legal authority or equipment to issue speeding tickets.

Do radar speed signs have cameras?

Most do not. Their function is to detect and display speed—not to monitor or record driver information.

How do radar speed signs work?

They use Doppler radar to measure vehicle speed and display the reading in real time on a digital screen.

Are radar speed signs effective?

Yes. Numerous studies show that drivers reduce their speed when confronted with real-time feedback.

How much do radar speed signs cost?

Prices vary based on features, but basic models typically start around $2,000 and can go up depending on data logging and power configurations.

Can police use radar speed signs?

Yes, but typically for speed awareness campaigns rather than enforcement. Law enforcement may also use them for traffic pattern studies.

Do radar signs collect data?

Many modern radar signs include traffic data recording capabilities, which can be useful for municipal planning.

Explore Our Selection of Speed Radar Signs

At LED Lighting Solutions, we offer a variety of radar speed signs to suit every need—whether you're a city planner, school district, or HOA manager. Our signs are durable, weatherproof, and designed for reliable performance year-round.

Browse our collection to find solar-powered options, models with built-in data collection, and signs designed to meet MUTCD compliance.