Traffic / Solutions

Variable speed limit sign solutions for safer, more efficient roads

Road work sign

TripleSign solution

Smarter speed management for safer roads

A variable speed limit sign from Triplesign System gives road authorities a fast, reliable way to manage changing traffic conditions and improve safety. Designed for highways, tunnels, bridges, city streets, school zones, terminals, toll roads, and roadworks, these EN 12966-certified signs display clear speed limits in real time based on congestion, incidents, weather, or planned events. Their low-power prismatic technology supports solar operation, remote locations, and easy integration with traffic control systems. Manufactured in Sweden and built for permanent or temporary use, Triplesign System solutions help reduce accidents, improve compliance, and keep traffic moving efficiently.

Enhance road safety with variable speed limit signs

Dynamic speed limit displays for flexible traffic management

Smarter variable speed limit sign control

Find the right traffic solution

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Toll road

Directing the traffic to correct station depending on the type of vehicle and payment method.

Signage for tolls above a road
Signage for tolls above a road

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Tunnels and bridges

By law it is compulsory to inform when a tunnel or bridge is closed.

Bridge warning sign
Tunnel warning sign

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Traffic Flow

Closing a lane, open up a road shoulder as an extra traffic lane, redirecting the traffic.

Multiple section sign for traffic flow from Triplesign
Multiple section sign for traffic flow from Triplesign

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Road works

Road works generally slow down traffic and negatively impacts the traffic flow. It may also require extensive traffic redirection over the course of the road work. Therefore there is a need for flexible traffic information, which can be changed frequently and remotely, ensuring a safe working environment for the road workers.

Road work sign
Road work sign

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Terminals

The traffic intensity fluctuates significantly around major terminals. Therefore VMS are required for a flexible direction of the traffic.

VMS are required for a flexible direction of the traffic
VMS are required for a flexible direction of the traffic

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Vehicles VMS

For flexible traffic direction and information at road work or incident. TR2130C Approved. Tested for portable and permanent road traffic control equipment. Including vibration and shock resistance testing.

For flexible traffic direction and information at road work or incident
For flexible traffic direction and information at road work or incident

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City, school or pedestrian zone

In urban areas there can be varied traffic regulations in a zone over the day or by season. The VMS changes messages according to pre-programmed information or by traffic control management.

City, school or pedestrian zone sign

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Weighbridge station

Used to call in the heavy traffic for inspection. High risk road work is therefore avoided.

Weighbridge station sign

Other Use Cases

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Schematic vieuw of a flood warning system

Questions & answers

FAQ

What are the benefits of using variable speed limit signs for traffic management?

Variable speed limit signs enable real-time speed adjustments according to traffic flow, weather, or road conditions. This adaptability enhances safety, reduces congestion, and helps prevent accidents by matching speed limits to current situations. As a result, overall traffic efficiency is improved.

How do prismatic variable speed limit signs work in different environments?

Prismatic variable speed limit signs utilize advanced technology to show clear, visible speed limits in a range of lighting and weather conditions. Their low power consumption ensures dependable operation in remote locations, including areas with limited sunlight, making them suitable for various environments.

Are variable speed limit signs suitable for solar power solutions?

Many variable speed limit signs are engineered for energy efficiency, with certain models using as little as 1.5W. This low energy demand makes them highly compatible with solar power solutions, providing continuous operation even in areas with reduced sunlight.

What certifications should a variable speed limit sign have for road use?

A reliable variable speed limit sign from Triplesign System should comply with industry standards such as EN-12966, which ensures durability, visibility, and reliability. Certification verifies the sign's suitability for both permanent and temporary road use while meeting traffic safety regulations.

How does a variable speed limit sign improve driver compliance?

A variable speed limit sign improves compliance by showing drivers the correct speed at the right time. Clear, dynamic limits reduce sudden braking, support smoother traffic flow, and help lower the risk of collisions during congestion, bad weather, or incidents.

Where is a variable speed limit sign most effective on the road?

A variable speed limit sign is ideal for highways, tunnels, bridges, city approaches, school zones, and temporary roadworks. It helps authorities adjust speeds quickly where traffic patterns, hazards, or visibility conditions change throughout the day.

Can a variable speed limit sign be integrated with traffic systems?

Yes, a modern variable speed limit sign can connect with traffic control platforms, sensors, and incident management systems. This allows automatic or remote speed changes based on live road conditions, helping operators respond faster and manage traffic more efficiently.

Why choose an energy-efficient variable speed limit sign?

An energy-efficient variable speed limit sign lowers operating costs, supports solar installations, and delivers reliable performance in remote areas. Low power use also makes continuous operation easier in changing weather and limited daylight conditions.

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