(Seventh International Conference on Communications-Based Train Control (2007))

”Safety of Processor-Based Signal and Train Control Systems and Federal Regulations”
(Sixth International Conference on Communications-Based Train Control (2005))

”Intelligent Transportation Systems”
(American Public Transportation Association Conference (2005))

”Configuration Management of Signal and Communication Equipment”   (co-authored with Richard Morris, CN Rail)
(AREMA Annual Conference (2003)

Technology and Safety at Highway-Rail Grade Crossings
(Invited Testimony before the House Committee on Transportation and Infrastructure (Subcommittee on Railroads) (2003))

”Cost Breakdowns for Highway-Rail Grade Crossings”
(Fourth International Conference on Highway-Rail Grade Crossing Research (2002))

”Wayside LED Signals”
(AREMA Annual Conference (2001)

”Software Standards for Safety-Critical Functions”
(AREMA Annual Conference (2001)

”Grade Crossing Standards”
(California Public Utilities Commission State Railroad Conference (2001))

”Intelligent Transportation System and  Highway-Rail Grade Crossings”
(Second International Symposium on Highway-Rail Grade Crossing Research (2000))

”Status of the London Underground Jubilee Line” AND
”Safety-Critical Systems for the Rail Industry”
(Transportation Research Board 2000 Annual Meeting)

”Supplier Community Perspective on V&V” AND
”Safetran V&V Process”
(North American Joint Positive Train Control Workshop (November 1999))

”Software Standards for Safety-Critical Functions”
(SafeRail’99 (1999))