Radar trigger
A radar on the access road detects a vehicle heading for the highway.
Inform drivers
LaneWarden Entry Alert
Warning for trucks entering the highway
Corridor backbone
Overview
A radar on the haul road or access watches for trucks about to enter the highway. When one approaches, beacons on a TRUCKS ENTERING WHEN FLASHING sign 500 ft upstream flash for 30 to 45 seconds.
Loaded trucks pulling onto a highway accelerate slowly. Entry Alert tells mainline drivers exactly when that is happening, instead of a sign that is always on and soon ignored.
What it does
Entry Alert at work
Beacons only when needed
Two solar LED beacons flash on the mainline sign for 30 to 45 seconds per detection.
Logged
Every activation is logged in Command and published in the WZDx feed.
See the beacons flash for a truck leaving the haul road, with the same rules the system runs.
Open in the demoSpecifications
Design values
| Item | Value |
|---|---|
| Sign | TRUCKS ENTERING WHEN FLASHING with two solar LED beacons |
| Trigger | Doppler radar on the access road |
| Flash time | 30 to 45 s per detection (set per site) |
| Link | Point-to-point radio (about 500 ft), cellular backup |
Power
- Load
- 6.7 W
- Storage
- 2.3 kWh
- Solar
- 100 W
Sized for continuous operation on 4 hours of sun with 10 days of autonomy, and restarts on its own after an outage.
In the WZDx feed
flashing-beacon
Beacon state with the vehicle-entering function.
Runs LaneWarden Edge
- GPS position reported within 10 ft
- Health, power and status every 60 seconds
- Local rules and fail-safe behavior that work without the network
- 72 hours of store-and-forward if the link drops
- Signed over-the-air software updates
Works with
Related devices
Inform drivers
LaneWarden Messenger
Portable changeable message sign that measures the traffic it warns
A full-matrix portable message sign with a Doppler radar facing oncoming traffic. It posts queue, delay and hazard messages from an approved library, and falls back to a safe message on its own if its data stops.
In every kitCorridor backbone
Locate the work zone
LaneWarden Marker
Location beacon for the start and end of the work zone
A GPS beacon on a drum or barricade at the start and end of the work zone, so the published work zone matches the road, and staff get an alert if the device is moved or knocked over.
In every kitCorridor backbone
Next step
Planning a work zone that needs to be smart?
Tell us about the corridor, the schedule and the specification. We will walk you through how the system would be laid out and run.