Speed advisories that respond to actual conditions instead of fixed schedules, powered by continuous speed and flow measurement along the corridor.
Variable speed limits slow traffic gradually ahead of congestion, weather, or work zones, smoothing flow and reducing the sharp speed differentials that cause crashes. A speed limit sign on a timer is just a sign; one driven by live measurement is a safety tool.
FusionSensor measures real speeds and flow continuously, through rain, snow, fog, and glare, so when conditions on the corridor change, the systems posting advisories know immediately.
Speed and flow data feed the sign control and ATMS platforms agencies already operate, and pair naturally with queue detection on the same corridor: the queue triggers the warning, and the speed data shapes the step-down.
Speed advisories respond to measured speeds and flow, not the clock, so drivers see limits that match what is actually ahead.
HD3D radar keeps measuring in rain, snow, and fog, precisely the conditions when variable limits matter most.
Speeds by lane and segment let advisories step down gradually toward a hazard instead of dropping all at once.
Combined with congestion and queuing alerts, the corridor slows drivers before they ever see brake lights.
A variable speed limit system posts speed limits or advisories that change with conditions, lowering them ahead of congestion, weather, or work zones and restoring them when the road clears.
Crashes cluster where fast traffic meets slow traffic. By stepping speeds down gradually ahead of a slowdown, variable limits shrink that speed differential and give drivers time to adjust smoothly.
Real-time speeds, volumes, and occupancy measured along the corridor. The finer the segment-level resolution, the more precisely advisories can be matched to where conditions actually change.
FusionSensor streams measurements over standard interfaces to the ATMS and sign control platforms agencies already run, which apply the agency's rules for when and how limits change.
Tell us where speeds collapse on your corridor and we will show you what condition-based advisories could look like.