Download Laptop Data Collector

Latest Full Installer

LDC 2021.4


The full Laptop Data Collector installer.

This installer is silent install compatible.

Latest Updater

LDC 2021.4


This is the update file for the latest version of the LDC.

LDC 2021.4 Changelog


  • Updated to support Roadsoft 2021.4. Please Note: Updating LDC version older than 2021.3 will require a new export from Roadsoft.


  • Added City/Twp (read-only) to the Culvert Identification section.

Point PMark:

  • Added City/Twp (read-only) to the Identification section.


  • Added City/Twp (read-only) to the Support Location section.

If you are running Roadsoft or LDC 2017.x or earlier, or your basemap is Michigan Framework Version 16 or earlier, do not install or update to the new version of Roadsoft. Contact Roadsoft technical support at

Before Updating or Installing

  • Back up your data.
  • Prior to installing or updating Roadsoft/LDC, check your operating system version and SQL version for compatibility.
  • If you are in the middle of data collection, import any LDC data into Roadsoft.

Old Versions of Roadsoft

For older versions of Roadsoft (version 2017.x or earlier), contact Roadsoft Technical Support at