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1 0 , <br /> a <br /> r <br /> S� x uI Tirn g and C'o o rdin at on Manual � <br /> M n faT Traffic g <br /> E <br /> E <br /> Use of posted speed limit is recommended, Non-arterial approaches may have lower speeds than <br /> the posted speed limn because they are often in a stop condition upon the arrival of traffic. Grades <br /> 'on rate of the left turner and the stopping distance and speed of the opposing <br /> affect the accelerate <br /> through traffic and are therefore considered in conjunction with speeds. <br /> multi lied b the opposing through volume.The cross product <br /> Cross Product: The left turn volumep Y <br /> values used are taken from the Wisconsin Department of Transportation (wisDOT) Traffic Signal <br /> on left turn conflicts analysis, chapter 2, Section 3, Subject 4, Cross <br /> Design Manual discussion <br /> ' of conflicts for left turners looking for gaps in through <br /> product used represents a high frequency <br /> traffic. <br /> FYA during Free operation <br /> With the varia operation p eration of the FYA head,free operation will no longer have an assigned fixed <br /> operation. Therefore standard free operation will need to be set up in the signal controller so <br /> phasing opera t 1 <br /> • o FREE with a standard phasing operation desired at the specific tide. <br /> technicians can put signalsutcklyt <br /> REE o erations that will need to be set up in the signal controller: <br /> Mere is an example of the <br /> standard F p <br /> :.. All left turns protected <br /> 2-. All left turns protected,permissive <br /> 3. All left turns permissive <br /> 4. Mainline t <br /> rotected,cross street protected permissive <br /> p <br /> • t <br /> �. Mainline protected,cross street <br /> permissive <br /> 6. Mainline protected/permissive,cross street protected <br /> * 7. Mainline protected/permissive,cross street permissive <br /> S. Mainline permissive,cross street protected <br /> 9. Mainline <br /> ai line permissive,cross street protected/permissive Minimum Green Times <br /> F-' <br /> E: <br /> Minimum Green Times <br /> f^ <br /> i imum teen time based on the type of phasing operation where protected <br /> Mn/DOT currently sets the minimum g <br /> lefts have a 7 second minimum green and protectedJpermissive lefts have a 5 second minimum green. <br /> Given the FYA head is a variable phasing operation eration head, a decision will need to be made as to if there <br /> one minimum green value that changes with the phasing operation- or if a universal <br /> should be more than <br /> minimum green should apply to all phasing operations. <br /> minimum teen is used,and if a left turn phase will ever run protected,the left turn minimum green <br /> if one g <br /> left turn will never run protected (i.e. only run protected/permissive or <br /> should be set at 7 seconds. if a le _ _ -- <br /> permissive),then the left turn minimum green should be set at 5 seconds. <br /> EVP Preemption Operation under FYA <br /> A. Protected-only operation <br /> e FYA is not allowed(protected only),the pre-emption will bring up the protected left turn <br /> When th <br /> base. The acing FYA will not be allowed during preemption (refer to <br /> and the adjacent through p pp <br /> Exhibit3-15). <br /> E <br /> tion concepts page 3�-31 � <br /> May 2011 Local Intersection p <br /> I� <br /> 4 <br /> E <br />