page i 



CHELSEA STREET AT WARREN STREET 



19?1 a« PEAK HOUR WITH TUDOR WHARF TRAFFIC 



[iate:05-25-I9B8 tiie:09:E5;51 



SATURATION FLOW ADJUSTMENT WORKSHEET 



DIR LK' GROUP IDEAL N Ftiid Fhv Fgr Fpark Fbus Farea Frt Fit s 



EB 

 EB 

 UB 

 UB 

 NB 

 SB 



LT 



TH-RT 



LT 



TH-RT 



LT-TH-RT 



LT-TH-RT 



1800 

 IBOO 

 1800 

 1800 

 IBOO 

 IBOO 



1.000 0.976 1.005 1.000 1.000 0.900 1.000 0.950 I5C9 



1.000 C.976 1.005 l.OOC 1.000 0.900 0.976 1.000 3099 



1.000 0.976 0.995 1.000 1.000 0.900 I. 000 0.12^ Ell 



1.000 0.976 0.995 1.000 1.000 0.900 0.9BE 1.000 't633 



1.000 0.995 0.990 1. 000 1.000 0.900 0.898 0.9a'( 1323 



1.000 0.995 0.980 1.000 1.000 0.900 O.m 1.000 IMS 



C 



SUPPLEMENTAL WORKSHEET FOR LEFT-TURN ADJUSTMENT FACTOR FLT 

 INPUT VARIABLES 



S N Va Vi Vlt Pit 



37 1 37 S33 37 1.00 



16 1 63 l^t '(9 0.77 



16 1 E67 56 Ell 0.79 



DIR 

 UB 78 

 NB 78 



SB 7B 



No 

 2 

 1 

 1 



Vo Plto 



1282 0.00 



56 0.79 



1^ 0.77 



CALCULATIONS 

 DIR Sop Yo 

 MB 3600 0.356 

 NB l'i55 0.033 



6u 



13.719 0.074 

 13.446 0.840 



Fs PI Gq Pt 



SB 1427 0.010 15.E75 0.866 



1.000 22.BS5 0.000 

 0.772 2.464 0.228 

 0.792 0.635 0.20S 



Gf El F« Fit 



0.000 15.210 0.134 0.134 



0.495 1.339 0.924 0.924 



0.206 1.299 1.000 1.000 



CAPACITY ANALYSIS WORKSHEET 



V 5 v/5 g/C c v/c 



256 1509 0.09 0.21 5E7 0.44 



1952 3099 0.63 0.6B 2109 0.93 



37 211 0.17 C.47 99 0.37 



917 4633 0.20 0.47 2174 0.42 



63 1323 0.05 0.20 270 0.23 



E67 1413 0.19 0.20 888 0.93 



CRITICAL 



CYCLE= 78. LOST= 9.0 SUK V/S CRIT= 0.82 TOTAL V/C= 0.93 

 FOR THE EASTBOUND PROTECTED/PERMISSIVE LEFT TURN LANE THE CAPACITY, V/S AND V/C 

 RATIOS HAVE ALL BEEN ADJUSTED TO REFLECT A CAPACITY FOR 

 81 LEFT TURNS ON THE CHANGE INTERVAL AND 186 ON THE PERMISSIVE PHASE 



LEVEL GF SERVICE WORKSHEET 



THE CYCLE LENGTH WITHIN THE BOUNDS OF 60 TO 120 SECONDS 

 WHICH niNiniZES CRITICAL MOVEMENT DELAY IS 78.0 SECONDS 



FOR A V/C RATIO 0^ .95 THE CYCLE SHOULD BE 65.1 SECONDS 



for chosen cvcle length 78.0 



€uao==ted tismo d-s?? 1 i; 16.9 sec; Dre?n, 0.0 sees veMoK + red cirir 



