Technical Committees

Committee 18 - Light Density & Short Line Railways

Engineering Services Functional Group

This committee is responsible for the development and publication of information and recommended practices regarding the special engineering, economic and maintenance needs of light density and short line freight railways.


William S. Stahlman, III, PE

Director of Engineering & Construction

America's Central Port


Vice Chair

Daniel Tegtmeier, PE

Project Engineer

Iowa Northern Railway Company



Charles M. Tucker

Project Manager

Farnsworth Group, Inc.



The following ballots have now been approved by the Board of Directors in November 2018. The material will be included in the next edition of the applicable AREMA publication, and will be available for sale. For information on purchasing publications, please contact M. Bruins at +1.301.459.3200.

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Welcome new members

  • Mark Bergeon, North American Railroad Program Leader, Golder Associates
  • Jason Greeley, Director of Engineering, NBM Railways Western NY & PA RR

A full committee roster is viewable on the Committee 18 page on the New Communities site.

Committee By-Laws

Meeting Information

Recent Meeting

  • November 15, 2016 - Meeting by conference call
  • August 29, 2016 - Orlando, Florida in conjunction with AREMA conference
  • May 10, 2016 - St. Louis, MO

Future Meetings

  • Our Spring meeting is tentatively set for May 10th in Cedar Rapids, Iowa with a field trip on May 11th hosted by the Iowa Northern Railway

Information on Previous Committee 18 Field Trips

  • May 14, 2015 - Field Trip - White River Bridge replacement on Indiana Rail Road
  • May 11, 2016 - Field Trip - America's Central Port

Subcommittees and Current Assignments

Subcommittee B: Revision of Manual.

CB-1-96: Review the current Manual for its application to Light Density and Short Line Railways. Canvass short lines to determine what parts of the Manual can be improved from their perspective. Ongoing assignment.

CB-1-00: Develop and maintain Committee web site.Ongoing assignment.

DB-1-02: Review of old Roadmasters Proceedings. Ongoing assignment.

Subcommittee 1:

D1-2-99: Develop guidelines for preparing contract specifications, with example forms.

D2-6-98: Simplified explanation of Cooper rating system. This assignment is currently on hold.

D2-1-04: Guidelines for 286k conversion for light density and short line railways.

D2-1-05: Section 3.4 Bridge Inspection Checklist and Forms. This assignment is currently on hold.

D1-1-11: Review and update 3.1, in coordination with Committee 10.

D1-2-11: Develop 2.1, in coordination with Committees 4 & 5.

D1-3-11: Develop 2.2.5, in coordination with Committees 5 & 10.