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Home My WebLink AboutApplication Files_82693_pg0381 6: Chapel Rd & Route 30 HCM Signalized Intersection Capacity Analysis 2015 Build Weekday AM Peak Hour (with Mitigations) -'� -► � +''� �-- �., *� 1"` 1. (� rt' ,�.�' L St�.:T SWm` s Lane Configurations Ideal Flow(vphpt) 19o0 1'900 '1900 1900 !goo 9900 190o 1900 19c0 - 1900 ` 190o 1900 Lane Width 11 11 12 11 11 12 11 11 12 12 11 1'1 Total Lost time(s) 4.0 4.0 4A 4.0 4.0 4.0 4.0 4,o t Lane Util. Factor 1..00 1.00 1.00 1.00 1.00 1.00 1.o0 1.00 Frt 1.00 0.95 1.00 0.97 1.00 0.99 :2W 1.00 0.85 Flt Protected 0.95 1.00 0.95 1.60 0.95 1.00 1.00 1.00 Satd.Flow(prot) 1662 1657 1678 1718 1601 1660 '1797' 1531 Fit Permitted 0.66 1.00 0.69 1.00 0.48 1.00 0.99 1„00 8atd.Flow(perm) 1161 1667 1223 1718 804 1660 1780 15311. Volume(vph) 40 55 30 70 90 20 10 90 v 10 15 310 285 Peak-hour factor, PHF `0.85 0,85 0.85 0.861 U6 0.86 0.88 U8" 0.88 0.93 0.93 0.93' Adj. Flow(vph) 47 65 35 81 '105 23 11 102 '11 '16 333 306 RTOR Reduction (vph) 0 20 0 0 9 0 0 3 0 0 1 0 154 Lane Group Flow(vph) 47 80 0 81 119 0 11 110 0 0 349 152 Heavy Vehicles(%} 5% 5% 5% 4% 4 ' , 4% 9% 9% 9% 2% 2% 21% Turn Type pm+pt �_. %Perm prr'I+pt Perm Perm Protected Phases 3 4 4 1 2 2 Permitted Phases 4 4 2 2 2 Actuated,Green, G(s) 18,4 15.7 15.7 15.7 38.1 37.1 37.1 37.1 Effective Green, g(s) 20.4 16.7 16.7 16.7 38.1 37.1 37.1 37.1 Actuated g/C;Ratio 0.27 0.22 Q.22 0.22, 0.51 0.50 0.50 0.50 Clearance Time(s) 5.0 5.0 5.0 5.0 4.0 4.0 4.0 4.0 Vehicle Extension (s) 2.0 3.0 3.0` 3.0 2.0 6.0 6,0 6.0, Lane Grp Cap (vph) 341 371 274 385 422 827 886 762 v/s Ratio Prot co 61 0.05 c0.07 c0.00 0.07 v/s Ratio Perm 0.03 0.07 0.01 c0.20 0.10 l v/c Ratio 0.14 0.22 0,36 6 31_ ��! 0.03 0.13 0.39 0.20 Uniform Delay, d 1 20.2 23.6 24,0 24.1 9.1 10.'1 11.7 10.4 Progression Factor 1:00 - 1.00 1_00 1 00 a 1.00 1.00 ` 1.00 1.00 Incremental Delay, d2 0.1 0.3 0,6 0,5 0.0 0.2 0.8 0.4 Delay(s} 20.3 23.9 24,6 -24.6 9,1, 10.3 12.5 10.8 Level of Service C C; C C A B B B Approaeh,Delay(s) 22.7 24.6 10.21 ,11 11 Y Approach LOS C C B B HCM Average Control Delay 15.3^ HCM Level of Service B HCM Volume to.Capacity ratio 0 3 , Actuated Cycle Length (s) 74.5 Sum of lost time (s) 16.0 t zj Intersection Capacity Utilization 55.1%° ICU Level of Service B� sr a s 1 Analysis Period(min) 15 c Critical Lane Group _ J:\72189.10\tech\Traffic\synchro\2015 B-AM with mitigations.sy7 Synchro 6 Report VHB, Inc..