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IBTTA Interoperability Committee (IOP)

The charge of this committee is to advance the strategic plan goal of achieving nationwide interoperability in the US.

Support Documents and Information

2017

In May 2017 IBTTA finalized the test plan describing the methodologies and procedures to be used in conducting the Phase 2 NIOP protocol performance testing. The following documents describe both the test approach and the plan methodologies. This plan was developed in consultation with both toll operators and the technology manufacturers. The goal of the plan is to accomplish the following:

  • Provide statistically sound NIOP testing results at 80% confidence
  • Stage and prioritize tests to minimize cost and duration
  • Limit test cases to those that involve variables that are expected to impact results
  • Where possible, maximize testing in a lab setting 

Test Planning – Statistics and Test Strategy Approach  
NIOP Phase 2 – Parts 1 and 2 Test Plan


2016

Resolution On Interoperability Next Steps As Adopted By the IBTTA Board On January 8, 2016
Update on IBTTA's effort to achieve nationwide interoperability of electronic toll collection systems (September 2016)


2015

Status on Interoperability -- Subcommittee on Transportation and Public Assets of the U.S. House Oversight and Government Reform Committee (September 28, 2015). Below are copies of testimony and related documents.

Watch Video of Hearing: [Part 1]; [Part 2]

  • Patrick Jones, Executive Director (on behalf of IBTTA)
  • Tom Knuckey, Member of the IBTTA Interoperability (IOP) Steering Committee and Chair, IBTTA Roadside Operations Subcommittee (on behalf of the IBTTA IOP Committee)
  • JJ Eden (on behalf of the Alliance for Toll Interoperability (ATI)
  • Andrew Fremier (on behalf of the California Toll Operators Committee (CTOC)
  • Diane Gutierrez-Scaccetti (on behalf of Florida's Turnpike Enterprise/FDOT, Miami-Dade Expressway Authority and Tampa Hillsborough Expressway Authority
  • P.J. Wilkins (E-ZPass Interagency Group)
  • Jeffrey Lindley (Federal Highway Administration, U.S. DOT)

IBTTA issued RFP for consulting and technical services that support the testing, certification and selection of the National Interoperability (NIOP) protocol. View RFPRFP FAQ 

Toll Operators Nomination Letter

Supplier Sponsorship Letter | Attachment 1 - Traceability Matrix


2014

Georgia Interoperability Release

NIOP Business Rules 

NIOP Requirements Document

Board Briefing on Subcommittee Activities:


2013

IOP Sub Committee Organizational Meeting Minutes 

Steering Committee Minutes (June) 

Letter to House (March) 

Letter to Senate (March) 

IBTTA Interoperability Progress Report to Congress (March)


2011-2012

NCDOT and FDOT Reach Agreement on Toll Interoperability 

The E-ZPass Group, 17 Years of successful Interoperability

Interoperability Webcast Slides; Webcast; 

Webcast Question & Answers 

Preliminary Report of the IBTTA Interoperability Committee