Questions for the certification examination are derived and/or documented from a number of professional sources. Some of the most frequently cited references are:

Title: Highway Capacity Manual
Author(s): TRB
Publisher: TRB, Pub No: LP-608
Publication Date: 2000

Title: Manual of Transportation Engineering Studies
Author(s): Edited by H. Douglas Robertson
Publisher: ITE, ISBN No: 0-130975-69-9, ITE Pub No: TB-012
Publication Date: 2000

Title: Manual on Uniform Traffic Control Devices, 2009 Edition
Author(s): FHWA/ITE/ATSSA/AASHTO
Publisher: FHWA/ITE/ATSSA/AASHTO, Pub No: MUTCD-10
Publication Date: 2009

Title: A Policy on Geometric Design of Highways and Streets, 5th ed.
Author(s): AASHTO
Publisher: AASHTO, Pub No: LP-323C
Publication Date: 2004

Title: Traffic Engineering Handbook, 6th ed.
Author(s): ITE
Publisher: ITE, Pub No: TB-010B
Publication Date: 2009

Title: Traffic Safety Toolbox: A Primer on Traffic Safety
Author(s): ITE
Publisher: ITE, Pub No: LP-279A
Publication Date: 1999

Title: Transportation Planning Handbook, 3rd ed.
Author(s):, Edited by Michael D. Meyer
Publisher: ITE, ISBN No: 0-935403-33-7, ITE Pub No: TB-011B
Publication Date: 2009

In addition to these professional references, a candidate may find it advantageous to review a general traffic or transportation engineering text. Among the excellent texts currently available, the following was frequently cited in question documentation:

Title: Fundamentals of Traffic Engineering, 16th ed.
Author(s): Homburger et al.
Publisher: University of California, Pub No: LP-004
Publication Date: 2007