Millimeter GPS for Paving

Free your paving from the confines of string-lines and other linear references and move production to the fast lane. Topcon's Millimeter GPS Paving is here!


  • High accuracy grade reference covers entire project - eliminates string-line
  • Provides precise vertical measurement for multiple machines and grade checkers
  • Use up to four transmitters to extend work area
  • Pave transitions, even through horizontal and vertical curves
  • Works with existing Topcon GNSS systems
Millimeter GPS+ Asphalt Paving Millimeter GPS+ Concrete Paving

Topcon's Millimeter GPS Paver System is the World's First GNSS based millimeter accurate control for pavers. Topcon's revolutionary Lazer Zone™ technology based, Millimeter GPS uses GNSS positioning together with a zone laser reference to give you unparalleled freedom and productivity. It also provides the flexibility to mix-and-match sensors to best meet the requirements of each job and the way you want to work.

Field proven components - proven to perform


Topcon's Millimeter GPS Paver System combines the field proven components of Paver System Five with the rugged, high-accuracy Millimeter GPS instruments and sensors. Mounted on the paver is the operator's interface to Millimeter GPS Paver System, the GX-60 control box. Able to control the two tow point cylinders independently the GX-60's color, graphical screen displays machine position on the job, and the sensors being used to control the left and right side of the screed, and current elevation and slope.


Topcon's MC-R3 is the control center of Topcon's 3D-MC system. Providing either solid brackets for permanent mounting or magnetic mounting for portability, the MC-R3 contains all of the GNSS receivers, radios, and controllers in a single "built to last" housing. A built-in MINTER panel provides status lights and function keys for easy performance verification and system checks. The MC-R3 also features an Ethernet port, increased processing power over the previous generation box, and additional valve drivers to account for the widest array of machine compatibility.


Topcon's PZS-MC Positioning Zone laser receiver with integrated GNSS antenna is mounted to the tow arm on the left or right side of the paver.

Customize Millimeter GPS to fit any job

Combine Millimeter GPS with Topcon's slope sensor for road, highway, or runway paving. Or use the patented Sonic Tracker II® for joint matching jobs like curb and gutter, or parking lots. The choice is yours, the flexibility of Topcon's Millimeter GPS makes it easy.

Lazer Zone™ - the heart of Millimeter GPS


PZL-1A Positioning Zone Laser Transmitter

Operates similar to a standard rotating laser, but transmits a unique Lazer Zone™ signal to provide a working range of 2000ft! Instead of a traditional flat plane, the PZL-1A provides an incredible measuring area of 33ft in height! You can even link up to four laser transmitters for use on large sites to cover a distance of nearly 8000ft with elevation changes of over 130ft! No more taking time out to reposition your laser. With the PZL-1A, multiple rovers can use the same transmitter, even at different elevations for continuous production!

Positioned anywhere within the "Laser Zone", Millimeter GPS Paver System's PZS-MC sensor instantly computes precise vertical information. No need to incorporate a moveable mast, the Lazer Zone™ Technology determines its elevation automatically. Even if your site has an elevation variance of 10 meters (33 feet), you never have to reposition your instrument or receivers! For sites with significant elevations or large areas, up to four PZL-1 Lazer Zone™ transmitters can be "linked" to cover a larger area and elevation change of over 130 feet! Like a rotating laser, Lazer Zone supports multiple users. Using a PZS-1 sensor and a Topcon field controller on a grade rod, basic surveying tasks and grade checking are a snap. In situations where multiple PZL-1 transmitters are being used, each can be set to one of four signal channels. The system will transition seamlessly from transmitter to transmitter without disruption.

Welcome to the next generation of precision job site control technology!


3:37 min.

Get to know Topcon’s whole line of Millimeter GPS products.

1:54 min.

See how Wiregrass Construction was able to meet tight specs for runway repaving job at Huntsville International Airport in Huntsville, Alabama using Topcon’s Millimeter GPS Profiling systems.

2:06 min.

See how T.J. Lambrecht Construction in Austin, Texas saves manpower and keeps tolerances tight for finish grading by using Topcon’s Millimeter GPS trimming systems.

1:20 min.

See how Lane Construction made fast work of building taxiways at Washington DC’s Dulles International Airport using Topcon’s Millimeter GPS paving systems.

1:58 min.

See how Barnhill Contractors repaved the runways at Ellis Airport in Jacksonville, North Carolina in record time using Topcon’s Millimeter GPS paving systems.

1:53 min.

See how upgrading their whole job to Topcon’s Millimeter GPS Asphalt Paving helped Knife River Construction run nonstop to finish a road job in Bend, Oregon.



Millimeter GPS for Paving
April 28 2014

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