Case study
“We Had No Idea”
UDOT partnered with RDV Systems to adapt RSA 3D to analyze stopping sight distance across Utah's existing road network using annual LiDAR scans instead of CAD design files.
Road Safety Audit 3D
Find the hazards before the crash, not after
A systemic audit of the whole 3D road environment that does not wait for crash history. Faster than a traditional audit, and it looks everywhere.
What it finds
Deficiencies a drive-through or a plan review can miss
Stopping sight distance
Every point along every lane, checked against the design speed, not a sample of stations.
Intersection sight distance
Approach and departure sight triangles for each maneuver at each intersection and driveway.
Pedestrians and cyclists
Crossings, shared paths and bike lanes analyzed with their own eye heights and speeds.
Clear zones and bridge clearances
Obstructions inside the clear zone and vertical clearances that fall short of the standard.
Glare and drainage
Low-sun glare exposure by heading and season, and flat spots where water will pond.
Existing roads and new designs
The same analysis runs on a LiDAR scan of today's road or on tomorrow's design model.
Inputs
Start from what you already have
Existing roads: LiDAR point clouds, reality mesh or a digital terrain model.
Proposed designs: DGN, DWG, OpenRoads, InfraWorks, Civil 3D or SketchUp files.
No conversion project on your side. Send the files; we prepare the 3D road data.
Standards and reporting
Your standards, your parameters, your systems
- AASHTO and state DOT standards out of the box; every parameter is adjustable.
- Downloadable CSV, online HTML reports and Google Maps integration.
- Results integrate with your own data systems.
- Every finding comes with the 3D view that shows why it fails.
See it in action
Five short demos
Case studies
RSA 3D in the field
Audit your next project in 3D
Send us a design or a scan and get a sight-distance report back, no software to install.