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Roadway Function <br />• Guide traffic to appropriate roadway <br />• Freeways <br />— High mobiliiy 8 low access <br />• Arterials <br />— Generetly wall-controlled access, but balance <br />betweenaccess and mobility <br />• Collectors <br />— Some mobility but significarrt access (carry ttaffic to <br />arterials/freeways) <br />• Local streets <br />— High access $ bw mobility <br />Altemative Urban Areawide Review <br />(AUAR) <br />• Area somewhere beiween site and city in <br />scale <br />• What transportation improvements are <br />planned? <br />• What are the traffic, air and noise impacts <br />of proposed development options? <br />• What improvements would be needed to <br />mitigate impact of development options? <br />• Twin Lakes AUAR prepared in 2001 <br />Regional Travel Model <br />(Macro-scale) <br />I <br />. � �� <br />;� . . � . <br />i <br />�f ' ' <br />i• ams4�1 �TN � a� SE r.�pn+r �an a�onc�' sr,ay <br />� <br />• Significarrt t - � <br />de�rebpment and , . � _ � , <br />redevelopment . , --- - . _ • <br />a,�Ge� in area by � - ' , <br />2025 " _� R <br />• Nced ia� 1-2 more , _ - _ — <br />through lanes on I-35W � � <br />� ' . _— <br />How Much Traffic? <br />• Regional Travel Demand Model <br />- Meffopolitan Council�MnDot <br />- Based on travel behavior'inveritory'surveys <br />- General analysis of roadway volumes and impacts <br />- City comprehensiveplan <br />• SRe-based Tr�c Studies <br />— ITE �"�kdh+F� of Transportation Engineers) trip <br />generation database <br />— Operational modelingof iritersections <br />— Specific developmerit proposal <br />ITE Traffic Generation <br />• Based on ongoing national data collection <br />effort <br />• Several hundred different land use types <br />• Diierent land uses (and intensities) <br />generate differerrt traffic pattems <br />Volumes <br />-'Pass-by'traffic <br />- Peaking characteristics <br />� <br />� <br />� <br />