Download MERL

Latest Full Installer

MERL 2026.4

Released
MERL 2026.4 Setup File

This MERL installer includes SQL Server Express. It requires Windows 11 or newer. 

This installer is silent install compatible.

  • Command line parameter for silent install is /s
  • Command line parameter for silent uninstall is /s MODIFY=FALSE REMOVE=TRUE UNINSTALL=YES

NOTE: SQL 2014 is no longer supported. Contact MERL Tech Support at merl@mtu.edu for assistance migrating to a newer version of SQL Server.

MERL 2026.4 Changelog
  • Average Unit Prices:
    • Updated Average Unit Price data for 2020 Spec Year (including 1/1/2024 through 4/20/2026).
  • Estimator's Worksheet:
    • Added validation to ensure that no more than 80 characters can be added for a Supplemental Description (previously additional characters would be truncated on save).
  • Export:
    • Fixed a bug exporting to a Road Conductor Job file if any estimated prices were 3 digits in precision.
  • Pay Item Codes:
    • Added right-click option to the Pay Item Codes grid to copy the current row to clipboard.
    • Updated the 2020 Pay Item Codes list (as of 4/13/2026).
  • Reports:
    • Added a button to report preview to export the underlying report data to csv file.
  • Vendors:
    • Updated MDOT Approved Vendor List as of 4/21/2026.

Downloads

MERL is available at no cost to any Michigan local agency and their consultants. It is licensed only for use on Michigan projects.