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(veh/hr) (veh/hr) <br />37 66 <br />60 7 <br />Eastbound Speed Limit: 55 mph Westbound Speed Limit: 55 mph <br />Eastbound Configuration:Westbound Configuration: <br />1. Check for right turn volume criteria %lt 9.6 % <br />AV 563 veh/hr <br />2. Check advance volume threshold criteria for turn lane <br />AV =450 <br />Va =97 <br />No <br />NO <br />Right Turn Taper Warrants <br />1. Check taper volume criteria <br />2. Check advance volume threshold criteria for taper <br />AV =100 Study Intersection <br />NO NO <br />= Through Volume <br />East Harney Lane <br />Right Turn Taper Warranted: Left Turn Lane Warranted: <br />(evaluate if right turn lane is unwarranted) <br />Va = 97 mph <br />Right Turn Lane Warranted: <br />If AV<Va then warrant is met <br />Advancing Volume <br />Turn Lane Warrant Analysis - Tee Intersections <br />Direction of Analysis Street: Cross Street Intersects: <br />The left turn lane analysis is based on work conducted by M.D. Harmelink in 1967, and modified by Kikuchi and Chakroborty in 1991. <br />Advancing Volume Threshold <br />Advancing Volume Threshold <br />The right turn lane and taper analysis is based on work conducted by Cottrell in 1981. <br />No <br />Methodology based on Washington State Transportation Center Research Report Method For Prioritizing Intersection Improvements , January 1997. <br />Through Volume = <br />Turn lane warranted if point falls to right of warrant threshold line <br />Two lane roadway warrant threshold for: 55 <br />Thresholds not met, continue to next step <br />If AV<Va then warrant is met <br />Advancing Volume <br />Project Driveway <br />Percentage Left Turns <br />If AV<Va then warrant is met <br />Westbound <br />Advancing Volume Threshold <br />2 Lanes - Undivided <br />Eastbound <br />Thresholds not met, continue to next step <br />Eastbound Volumes Westbound Volumes <br />Right Turn Lane Warrants Left Turn Lane Warrants <br />Right Turn Volume = = Left Turn Volume <br />2 Lanes - Undivided <br />Eastbound <br />East Harney Lane <br />Study Intersection: 3-East Harney Lane/Site Access <br />Study Scenario: Future plus Project AM <br />East/West From the South <br />100 <br />200 <br />300 <br />400 <br />500 <br />600 <br />700 <br />800 <br />900 <br />1000 <br />02004006008001000Opposing Volume (Vo)Advancing Volume (Va) <br />W-Trans 1/12/2025