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8nIDDTTraffic Signal Timing and Coordination Manual <br />Vary7nQBetxxaanProtectecLProteutod/Permissh/e,eudPemmbahe0parafom <br />bconsidered ava�able operation �Qno| indication. Consider the <br />�a discussed above, the FY� can a <br />following Items: <br />All FYA signals may vary operation between protucted, protected/permissive, and permissive <br />operation mtvarious times ofthe day and night. <br />Each signal approach will need to be analyzed individually to determine the time -of -day FYA <br />operation byconsidering the following criteria, <br />a\ Cross -product volumes of left turns and opposing throughs at various times of day <br />h\ Speed limit <br />d Sight distance limitations <br />d) Number ofopposing through lanes <br />e\ Double left turn lanes orsingle left turn lanes <br />f) OppnsinQleft turn lane offset <br />e\ Cross street ormainline approach <br />h\ Comprehensive left turn crash analysis of approaches with similar characteristics <br />Test for Protected Only operation 24 Hours per Day <br />In some cases, the left turn indication should run in the most restrictive Protected -only mode 24 hours per <br />day. Refer toExhibit 3'13 for the Protected Only Left Turn Operation Guide lines. ifthe answer toquestion <br />I or 2 is "yes", then protected operation should be used throughout the day- <br />Exhlbit3-13 Part 1:Protected-only Left Turn Operation 24Bours per Day <br />Part I-ProtoctedOoly operation '24firs/day Guidelines <br />Question 1: Left Turns '. <br />� <br />'thb |e� bo�Uc� <br />�`�r,~/��'`��'� <br />� <br />Question 2:Limited Sight Distance <br />--,`---'tnbr have very Ilmlt�a ` ( '� <br />defhed�tn <br />hecuen� /wSn/u .APo|pGeonet�o <br />9m/ <br />' beslEris of and Streets"?, <br />th ' is �fw <br />. �.. <br />, . � �� <br />> N�' to.1.. <br />. . . q-b�ques an. <br />` <br />r is Yesi-then use <br />pp6.qt=" � <br />> tupart 2 <br />' ^ __—. � �~� + "~" ��" m/��� � Part � �� n � <br />suggested <br />t zna uxs��: m v== "' =' ~' ~— `----� <br />throughout the day. Ifthe answer toall ofthe questions b«no",then proceed to Part 2 /Exh|bitg'14 to <br />check for permissive FYA operation by time of daY <br />page . 3-28 Local Intersection Concept <br />