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TRB's second Strategic Highway Research Program (SHRP 2) Report S2-L14-RW-2: Lexicon for Conveying Travel Time Reliability Information includes a glossary of terms designed to convey travel time reliability information to travelers so that such information can be understood and used in a way that influences their travel choices, but does not present a safety hazard. Reliability Project L14 also produced a report title, Effectiveness of Different Approaches to Disseminating Traveler Information on Travel Time Reliability, that provides recommendations on appropriate ways to introduce and provide travel time reliability information to travelers so that such information can be understood and used in a way that influences their travel choices but does not present a safety hazard.