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ROW Survey

Know your right-of-way

Herzog collects, processes, and delivers geo-referenced datasets to our clients for planning purposes, maintenance, track safety, PTC, and management of rail right-of-way infrastructure throughout North America.

We use advanced technologies to drive both safety and efficiency in our GIS survey services, making Herzog a top-tier provider of ballast profiling in the U.S.

Related Capabilities Related Innovations
Who we serve
Class 1 railroads
Shortline railroads
Transit clients
Capability Services
Ballast and ditch profiling
Clearance analysis
PTC asset detection
Data Management Process

Data acquisition & management process

Herzog utilizes several data collection technologies to meet customers specific requirements. Beyond this collection, the management, processing, and storage of the data is equally as important. Herzog implements a multitude of processes to ensure data is both highly available and securely stored.


Herzog’s LiDAR survey enables technicians to capture assets 100 feet or more from the track. The GPS system, LiDAR scanning, and high-resolution camera collect a comprehensive data for tasks such as ballast profiling and PTC asset identification.


The amount of data collected during a LiDAR survey is immense. Our data processing teams analyze these data streams into customizable database solutions and allow our clients to export information on crossing elevations, slope measurements, and asset location.


Ballast and ditch profiling

Once data is loaded into the software application, cut and fill calculations are completed for ballast spreading.

Asset detection & location

The scan processes both small and large-scale measurements for crossings, buildings, bridges, power lines, signs, vegetation encroachment, signs, PTC equipment, etc., and marks its exact GPS location.

Related Innovations

LiDAR Truck

Herzog’s LiDAR truck increases survey accuracy and decreases track time on busy corridors. The data captured can be used to create a three-dimensional view of the track, ballast and ditch profile, and identify the location of right-of-way assets.

About ProScan LiDAR Truck
Added Value

Achieve PTC compliance

LiDAR and GPS can help ensure your railroad has the data necessary to comply with FRA PTC requirements.

About Positive Train Control