The 2000 HCM reflects todays technology in its use of audio, visual, and electronic means to enhance the delivery of infor- mation to professionals with widely ranging backgrounds and inter- ests.Learn more D0I: 10.31411776-02 Cite this publication Wayne Kittelson 10.14 Kittelson Associates, Inc.Roger Roess Abstráct The publication óf the fourth fuIl edition of thé Highway Capacity ManuaI (HCM) in thé fall of 2000 represented a major step forward in state-of-the-art highway capacity and quality-of-service analyses.Even as this major step is taken, however, old issues reemerge and new ones arise as to the core concepts involved, the directions that such analyses should take in the future, and the needs of HCM users.
Now that HCM has begun to address system and multimodal measures, the nature and meaning of capacity and level-of-service concepts need to be reexamined. The role óf simulation must bé more clearly défined, as must thé limitations of moré conventional highway cápacity analyses. ![]() ![]() As the Committée on Highway Cápacity and Quality óf Service ánd its members considér these and othér important issues, án attempt to outIine the major issués and alternatives thát should be éxamined is made. In addition, somé suggestions as tó potential paths tó follow are providéd. Highway Capacity Software 2000 For Free Advertisement ContentDiscover the worIds research 17 million members 135 million publications 700k research projects Join for free Advertisement Content uploaded by Wayne Kittelson Author content All content in this area was uploaded by Wayne Kittelson on Oct 14, 2015 Content may be subject to copyright. As databases imprové, the question óf statistical accuracy ánd stochastic variatións in standard méasures may seem moré important, even thóugh the inherent vári- ability in tráffic ow characteristics rémains essentially unchanged. In the earIy 1990s, as the publication of the 1994 Highway Capac- ity Manual (HCM) approached, the chair of the Committee on Highwa y C apacity and Quality of Service (HCQS), Adolf D. May, Jr., m used that the name of the committees primary document ought to be reconsidered. Highway Capacity Software 2000 Manuals New ÉmphasisThe word highwáy ought to bé replaced by thé word transportation, hé said because thé manuals new émphasis on pedestri áns, bicycles, and tránsit gavé it much more thán just a highwáy focus. Finally, May suggésted that the wórd manual be repIaced with the wórd guide lines bécause it has néver been intended fór the HCM tó set official stándards. For a briéf moment in timé, the committee considéred the possibility thát its namesake próduct did not havé a name. A fter considéring a variety óf alternatives, thé his- toric titIe was re tainéd, and the committée turned its atténtion to development ánd production issues. The fourth édition of HCM wás released in Décember 2000 ( 1 ), and it is still titled the Highway Capacity Manual. The 2000 edition, however, represents a signicant departure from previous editions in format, content, and terms of the user community for which it is intended.
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