1.1 This terminology covers definitions for approved standards under the jurisdiction of ASTM Committee E17 on Vehicle-Pavement Systems. Definitions of terms specific to an individual standard are listed in the appendix. For additional information, see Terminology D 8, Terminology F 538, Special Report 113, and SAE J 2047, or contact ISO, PIARC, or CEN. 1.2 Other publications may reference this terminology for terms used therein. 1.3 The standard containing the term and the responsible subcommittee of Committee E17 is listed at the end of each definition. Revision of the listed standard by that subcommittee will include review of the definition and approved changes or additions will be incorporated herein. 1.4 The terms in this terminology standard are listed in categories of the five groups of Committee E17. These are definitions that are in multiple standards in various subcommittees in Groups II to V. The structure of E17 is as follows: Group II on Skid Resistance, E17.21, E17.22, E17.23, E17.24, Group III Roughness E17.31,E17.32, Group IV Pavement Management E17.41, and Group V Intelligent Transportation Systems E17.51, E17.52, E17.54. 1.5 This terminology lists the definition as presented in the approved standards. Variation of any term is also listed and referenced to the defined term (for example the term hydroplaning, viscous is also listed and referenced to the defined viscous hydroplaning). 1.6 The term and its elements should appear in the following order; term; abbreviation; symbol; dimensions of quantities, measurement units; part of a speech; delimiting phrase; statement of meaning, including specifications limits where applicable; cross references to synonyms or related terms; attribution. 1.7 This appendix lists definition of terms specific to a standard for approved standards under the jurisdiction of ASTM Committee E17 on Vehicle-Pavement Systems. 1.8 The definition of terms specific to a standard are listed in categories of the four groups of Committee E17. They are: Skid Resistance, Roughness, Intelligent Transportation Systems, and Intelligent Vehicle/Highway Systems. Each group is further subdivided by each standard that contains definition of terms specific to a standard.