PART IV: Summary of Comments - SCOR/RAC

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PART IV: Summary of Comments17-May-10Reviewer Comments Distribution of Ratings■ (Richard Moeur comment): "Yellow Trap" is typically not allowed in Arizona; however it is used elsewhere. Theresearch could help justify a nationwide restriction on yellow trap. The research could also determine whether the W25signs have any effectiveness at all.■ [Rating: 1] This research is unnecessary because the language of the MUTCD is clear regarding the yellow trap, andbecause the introduction of the flashing yellow arrow in the 2009 MUTCD has provided a viable way to avoid the yellowtrap and also to avoid using the W25 signs.Research Advisory Committee■ Use traffic control devise pooled fund study.■ Current software does provide solutions for this problem.■ WSDOT may benefit from this research■ Using a lead advance phasing instead of a lag phasing can avoid the yellow trap scenario.Other■ Topic area might be addressed using data from the SHRP 2 NDS in the future, but there is no duplication in the project.Item #118:G-01Noteworthy Practices in Crash Reporting and SafetyPrograms on Indian Tribal Reservations(17)(46)NR 0 1 2 3 4 5SCOR 1 6 4 2 4RAC 8 15 8 8 6 4Standing Committee on Research■ Capture of all crash data is important to understading causation and developing countermeasures. Limiting this effort totribal lands seems inappropriate. Would be more appropriate to assess best practices in a larger sense and finds ways toensure they are implemented everywhere.■ Synthesis topic■ Could be done as a synthesis at lower cost.■ May be a better synthesis candidate or pooled fund study with interested states.■ I think this would be a helpful document although, if the objective is to provide "adequate attention from state and federalprograms," the missing link seems to be the interface between entity systems/software/policy, etc since clearly sometribes are able to develop Tribal Crash Reporting Systems. It would be interesting to know if the tribes that have CrashReporting Systems are getting adequate attention from state and federal programs and if not, what is the problem. Thiswould be the important question because even if many other tribes use the models identified in this report to develop theirown Crash Reporting Systems, the core problem still remains.■ Consider fit in synthesis program.■ [Rating: 5] The absence of accurate and complete crash data in Indian Country continues to be a national issue. Researchsuch as this can assist in improving reporting.Research Advisory Committee■ Should be a synthesis study.■ Rated this low because many Tribal reservations choose to keep the crash information from showing up on drivingrecords and therefore do not report. The cost is too high for basically a synthesis.■ This is more appropriate for the state specific research programs that encounter these issues not for National research.Ohio would not benefit from this study.IV-86
PART IV: Summary of Comments17-May-10Reviewer Comments Distribution of Ratings■ "Need" is well defined, as are the objectives and proposed tasks.■ A worthy topic that needs to be combined with preventive measures t hat are shared with the local leaders.■ We're more focused on State maintained highways in Mississippi■ This seems more appropriate for a pooled fund of relevant states rather than a NCHRP study.Item #119:D-09Best Practice Guide for the Design, Placement,Compaction, and QC of Aggregate Bases(17)(46)NR 0 1 2 3 4 5SCOR 3 3 6 1 3 1RAC 1 9 10 13 8 5 3Standing Committee on Research■ A significant improvement of base aggregate construction is possible. Therefore such best practice guide would be veryhelpful to DOTs. This may also lead to finding of the specific areas of research in the improvement of aggregate basecourse.■ of possible interest to track construction■ This synthesis of preferred practices would be beneficial.■ Consider fit in synthesis program - as best practice not guide - but may be too big.■ [Rating: 3] Research product could be a valuable resource and is consistent with needs articulated by several stakeholdergroups.Research Advisory Committee■ Good applied research topic■ Synthesis topic■ This information is readily available through specification■ Problem statement might be better considered as a domestic scan proposal.■ Should be consider for TRB’s Synthesis of Current Highway, Transit and Airport Practices.■ Subcommittee on Materials rated this as a LOW priority because of historical research into aggregate base properties andconstruction. The recommendation of the SOM is in the form of a Synthesis of best practice which is much smaller inscope than the proposed research.Other■ [Rating: 2] As proposed this will provide very little benefit to the concrete industry..■ [Rating: 1] The proposed research aims at identifying good practices for design, placement, compaction, and control foraggregate base layers.- A great deal of information on the proposed topic is available in the literature; further research is unwarranted.However, preparation of synthesis of current practices would provide a good source of information for state highwayagencies.IV-87
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PART IV: Summary of Comments - SCOR/RAC

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