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Jefferson-SY 940314
1985 HCM: UNSIGNALIZED INTERSECTIONS Page-1 ********************************************************************* IDENTIFYING INFORMATION AVERAGE RUNNING SPEED, MAJOR STREET.. 40 PEAK HOUR FACTOR ..................... 1 AREA POPULATION ...................... 40000 NAME OF THE EAST/WEST STREET ......... Riverchase NAME OF THE NORTH/SOUTH STREET ....... MacArthur NAME OF THE ANALYST .................. ap DATE OF THE ANALYSIS (mm/dd/yy) ...... 01-17-1994 TIME PERIOD ANALYZED ................. am pk hour OTHER INFORMATION .... INTERSECTION TYPE AND CONTROL INTERSECTION TYPE: T-INTERSECTION MAJOR STREET DIRECTION: NORTH/SOUTH CONTROL TYPE WESTBOUND: STOP SIGN TRAFFIC VOLUMES EB WB NB SB mmmm mmmm mmmm mmmm LEFT -- 51 0 1 THRU -- 0 212 1549 RIGHT -- i 42 0 NUMBER OF LANES EB WB NB SB LANES -- 2 2 2 ADJUSTMENT FACTORS Page-2 PERCENT RIGHT TURN CURB RADIUS (ft) ACCELERATION LANE GRADE ANGLE FOR RIGHT TURNS FOR RIGHT TURNS _ EASTBOUND ...... WESTBOUND 0.00 90 20 N NORTHBOUND 0.00 90 20 N SOUTHBOUND 0.00 90 20 N VEHICLE COMPOSITION % SU TRUCKS % COMBINATION AND RV'S VEHICLES % MOTORCYCLES EASTBOUND ......... WESTBOUND 0 0 0 NORTHBOUND 0 0 0 SOUTHBOUND 0 0 0 CRITICAL GAPS TABULAR VALUES ADJUSTED SIGHT DIST. FINAL (Table 10-2) VALUE ADJUSTMENT CRITICAL GAP MINOR RIGHTS WB 5.90 5.90 0.00 5.90 MAJOR LEFTS SB 5.70 5.70 0.00 5.70 MINOR LEFTS WB 7.60 7.60 0.00 7.60 IDENTIFYING INFORMATION NAME OF THE EAST/WEST STREET ...... Riverchase NAME OF THE NORTH/SOUTH STREET .... MacArthur DATE AND TIME OF THE ANALYSIS ..... 01-17-1994 ; am pk hour OTHER INFORMATION .... CAPACITY AND LEVEL-OF-SERVICE Page-3 POTEN- ACTUAL FLOW- TIAL MOVEMENT SHARED RESERVE RATE CAPACITY CAPACITY CAPACITY CAPACITY MOVEMENT v(pcph) c (pcph) c (pcph) c (pcph) c = c - v LOS p M SH R SH MINOR STREET WB LEFT 56 57 57 57 i E RIGHT 1 888 888 888 887 A MAJOR STREET SB LEFT i 801 801 801 800 A IDENTIFYING INFORMATION NAME OF THE EAST/WEST STREET ...... Riverchase NAME OF THE NORTH/SOUTH STREET .... MacArthur DATE AND TIME OF THE ANALYSIS ..... 01-17-1994 ; am pk hour OTHER INFORMATION .... 1985 HCM: UNSIGNALIZED INTERSECTIONS Page-1 ********************************************************************* IDENTIFYING INFORMATION AVERAGE RUNNING SPEED, MAJOR STREET.. 30 PEAK HOUR FACTOR ..................... 1 AREA POPULATION ...................... 40000 NAME OF THE EAST/WEST STREET ......... riverchase NAME OF THE NORTH/SOUTH STREET ....... macarthur NAME OF THE ANALYST .................. ap DATE OF THE ANALYSIS (mm/dd/yy) ...... 01-17-1994 TIME PERIOD ANALYZED ................. pm peak hour OTHER INFORMATION .... INTERSECTION TYPE AND CONTROL INTERSECTION TYPE: T-INTERSECTION MAJOR STREET DIRECTION: NORTH/SOUTH CONTROL TYPE WESTBOUND: STOP SIGN TRAFFIC VOLUMES EB WB NB SB LEFT -- 69 0 4 THRU -- 0 1238 320 RIGHT -- 8 64 0 NUMBER OF LANES EB WB NB SB LANES -- 2 2 2 ADJUSTMENT FACTORS Page-2 PERCENT RIGHT TURN CURB RADIUS (ft) ACCELERATION LANE GRADE ANGLE FOR RIGHT TURNS FOR RIGHT TURNS EASTBOUND ....... WESTBOUND 0.00 90 20 N NORTHBOUND 0.00 90 20 N SOUTHBOUND 0.00 90 20 N VEHICLE COMPOSITION % SU TRUCKS % COMBINATION AND RV'S VEHICLES % MOTORCYCLES EASTBOUND ......... WESTBOUND 0 0 0 NORTHBOUND 0 0 0 SOUTHBOUND 0 0 0 CRITICAL GAPS TABULAR VALUES ADJUSTED SIGHT DIST. FINAL (Table 10-2) VALUE ADJUSTMENT CRITICAL GAP MINOR RIGHTS WB 5.50 5.50 0.00 5.50 MAJOR LEFTS SB 5.50 5.50 0.00 5.50 WB 7.00 ~ 7.00 0.00 7.00 IDENTIFYING INFORMATION NAME OF THE EAST/WEST STREET ...... riverchase NAME OF THE NORTH/SOUTH STREET .... macarthur DATE AND TIME OF THE ANALYSIS ..... 01-17-1994 ; pm peak hour OTHER INFORMATION .... CAPACITY AND LEVEL-OF-SERVICE Page-3 POTEN- ACTUAL FLOW- TIAL MOVEMENT SHARED RESERVE RATE CAPACITY CAPACITY CAPACITY CAPACITY MOVEMENT v(pcph) c (pcph) c (pcph) c (pcph) c = c - v LOS p M SH R SH MINOR STREET WB LEFT 76 76 75 75 -1 RIGHT 9 522 522 522 513 MAJOR STREET SB LEFT 4 222 222 222 217 i C IDENTIFYING INFORMATION NAME OF THE EAST/WEST STREET ...... riverchase NAME OF THE NORTH/SOUTH STREET .... macarthur DATE AND TIME OF THE ANALYSIS ..... 01-17-1994 ; pm peak hour OTHER INFORMATION .... apts. at riverchase and macarthur SUMMARY OF AVERAGE VEHICLE TRIP GENERATION FOR 280 OCCUPIED UNITS OF LOW-RISE APARTMENT DRIVEWAY VOLUMES 12/23/93 24 HOUR 7-9 AM PK HOUR 4-6 PM PK HOUR TWO-WAY VOLUME ENTER EXIT ENTER EXIT AVERAGE WEEKDAY 1852 26 103 108 56 24 HOUR PEAK HOUR TWO-WAY VOLUME ENTER EXIT SATURDAY 1942 84 71 SUNDAY 1659 78 69 Note: A zero rate indicates no rate data available Source: Institute of Transportation Engineers Trip Generation, 5th Edition, 1991. TRIP GENERATION BY MICROTRANS URBAN STREETS WORKSHEET FOR FOUR-LEG INTERSECTIONS Page HOURLY VOLUMES Grade O % YIELDI-I ~2 Vt~ V~0 N Grade 6/ % 2-=- Vt .. .maj0rroad N ,-~ V2 Vs V, YIELD [] minor road Tune Period: A '~t,~ A~ge _retains spe~i: 40 PHF: I- 0 Grade O % VOLUME A. DJUSTMIff~'S Movement No. Volume (vph) Vol. (pcph), see Table 10-! VOLUMES IN PCPH z vtt Vto v, NA NA vt , I1 10-35 * UNSIONALIZED INTERSECTIONS __ WORKSHEET FOR FOUR-LEG INTERSECTIONS Page STEP 1: RT From Minor Street 5V9 d Conflicting Flows, V, 1/2 V~ + V2 = Vo 1/2 V6 + V~ ---- ~_~ +.~= I //'~ vph ?~ +/r3-~= 8~/ vph Critical Gap, T, (Tab. 10-2) ~ q O (sec) ~'-, 90 (sec) Potential Capacity, cv (Fig. 10-3) %9 -- /35g) pcph Percent of cp Utilized (v~/%9) × 100: 'C). ~ .% (vu/%12) X 100: % Impedance Factor, P (Fig. 10-5) p~ = I000 Pu = O. ~ 325 peph Actual Capadty, c~, cm~ ---- Cp~ = ~350 pcph cml2 ---- cvlz = STEP 2: LT From Major Street ( V4 Conflicting Flows, Vc V3 + V2: Vc4 V6 + Vs: Critical Gap, T, (Tab. 10-2) ~,~fO (sec) ~.~'0 (sec) ~/~ pcph ~-~0 pcph Potential Capacity, cp (Fig. 10-3) cv~: ~ Percentof %Utilized (v4/Cp4)× 100 = O. 13 % (vl/%0X 100: ~' ~ % Impedance Factor, P(Fig. 10-5) p~: [,O Pi: /~5 peph ~- Actual Capacity, c~ c~4: Cp~: :~:~O pcph cml: c~l: STEP 3: TH From Minor Street Iv, Conflicting Flows, V~ 1/2V~+V2+V~+V6+Vs+V~=V~ 1/2V,+Vs+V~+V3+V2+V~V~ Critical Gap, T~ (Tab. 10-2) ~. [0 (sec) ~. lO (sec) c,,~% rio Potential Capadty, Cp (Fig. 10-3) Cvs = ~ pcph /, Percent of cp Utilized (vs/Cps) × 100 -- --,q-. 5 % (v~l/Cpii) X 100 -- __ % Impedance Factor, P (Fig. 10-5) Ps = O. 0/5 Pu = O. c~ Actual Capacity, c., Cm~ = CpS × P~ × P~ cmu = cpn X P~ × P4 3'4. = q-O × $ .q = q O 0,~5 × I,O (pcph) O,~5 × ],~ (pcph) STEP 4: LT From Minor Street q V? Lvl0 Conflicting Flows, V~ Vcs (step 3) + Vu + V~ -- V~7 V~u (step 3) __.+ Y + 8ci _--z135vph I ----202~vph Critical Gap, T, (Tab. 10-2) ~. 6,0 (sec) g OO (sec) 38 Potential Capacity, cp (Fig. 10-3) cp~ ~= pcph c¢0 = L~O pcph Actual Capacity, c~, c~v ---- cv~ X P~ × P4 × P~ × Pl2 c~---- Cpi0 × P4 × P~ × Ps × P9 25 = 3B xO. OSx 3q = v,-o x I.o x -' I,O X O,q~X O,'~'7-(pcph) O, flBX O-Cl~x 1,0 (pcph) 10-36 cr~nA~ STR~£'rs WORKS~ET FOR FOUR-LEG INi't~RSEui'IONS Page S~E~-~NE ~PACi~Y vi · v~ ...... - ''~ ~ w~ 2 movem~ s~re a lane c ~ ~: ;~ , ~.. ~ ~ v~+v~+vt wh~ 3 m~emen~ sham a lane cs. - (v~/c.~) + (v~/c.~) + ~OR S~E~ A~ROA~ MO~~S 7, 8, 9 M~a-~t v(~h) Cm(~) Cs.(~h) cR = csn -- v ~OR S~E~ ~PROACH M~~ 10, ~ ~ ~R ~E~ L~ ~S ~ 4 M~em~t v (~h) c~ ~h) c~ ~ c~ -- v WORKSHEEe"~..OR FOUR-LEG iNTERSECTIONS~ Page HOURLY VOLUMES Grade STOP= [ ~ 7- 33- N YIELD[-]] V:: Vu V~o N . Grade G~e ~ % 8~ V, ) ~ major.ad N ~ V~ ~L~ AD~S a NA NA ~v: 3 - ' 10-35 UNSICSNALIZED INTERSECTIONS WORKSHEET FOR FOUR-LEG INTERSECTIONS Page 2 STEP 1: RT From Minor Street Conflicting Flows, Vc 1/2 V3 + V2 -- Vt9 1/2 V6 + V5 = Vd2 % .+ "~/~= "?RC:~ vph II + Z2-t'd = 2~E; vph Critical Gap, T, (Tab. 10-2) ~' q O (sec) ff.?o (sec) Potential Capacity, cv (Fig. 10-3) cp9 -= ~ pcph cpi2 = ~ pcph Percent of cv Utilized Impedance Factor, P (Fig. 10-5) P9 Actual Capacity, cm cra9 = cvv -- ~ pcph c~x2 ---- cv~ = ~O pcph STEP 2: LT From Major Street (--- V4 ) VI Conflicting Flows, V~ V3 + V2 7~ + I~~r = 15oo vph ~__Z_+ 5wc~= q-q-C~ vph Critical Gap, T~ (Tab. 10-2) ~70 (sec) ~,:~-O (sec) Potential Capacity, cv (Fxg. 10-3) cv~ _- ] t~ pcph cv~ = (R / ~ pcph Percent of cv Utilized (v4/co) × 100 = ~ ' % (vi/cv0 × 100 -~ I q'' ~' -% o. Impedance Factor, P (Fig. 10-5) P4'= ~1~ Cm Cm4 = CV4 = ~ pcph cm~ .~ cv~ = ~ pcph STEP 3: TH From Minor Street I V, Vii Conflicting Flows, V, 1/2V3+V2+VI+V6+Vs+V4=V~* 1/2V6+Vs+V~+V3+V2+V~V'u ~Z,-- + I~+ ~z + ~.+_~+ ~ + ZZ._+ qqg + ~ =Z/Zq'vph ~.+]q~+~ --2]q'qvph Critical Gap, T~ (Tab. 10-2) ~, lO _ (sec) ~, 10 (sec) Potential Capadty, cv (Fig. 10-3) cvs _-- ~ O ... pcph cvn ---- ~'~) pcph Percent of cv Utilized (rs/cps)× 100= } c~7 % (vn/cvn)× 100= q' % Impedance Factor, P (Fig. 10-5) p, = Actual Capacity, Cm Cm,= C,8 × P~ X P~ cml~ cvn × P1 X P~ 32 = 50 × = .50 x 0. qo x o.~O (peph) o, ~ o.. x o,~-O. (pcph) STEP 4: ET From Minor Street '~ V7 LV~° Conflicting Flows, V~ V~8 (step 3) + V~l + V1 ~ = V,? V,n (step .3) + V8 + V9 = V~10 aoZ+ Critical Gap, tc (Tab. 10-2) ~, {~0 (sec) ~, 60 (sec) / ~O pcph Cvlo= q'O peph Potential Capacity, cv (Fig. 10-3) Cp7 -'~ -- ._ Actual Capacity, c~ c~.7 = cv? × Pi × P4 × Pii× Pi2 Cmlo ~ cpl° × P4 × Pi × Ps × P9 Zq' = qO × ~,ct × 2-1 = q'O.xo. 90x o,~o_ ×' o,~× O, qo. (pcph) · ~),~'A 0.~ 0,~ (pcph) 10-36 URBAN $?REET~ il WORKSHEET FOR FOUR-LEG INTERSECTIONS Page 3 SHARED-LANE CAPACITY vi q- vi CSH -- where 2 movements share a lane (vdc~i) + (Vi/Cra~) v~+ vi+vu CSH -- where 3 movements share a lane (Vi/emi) '~ (Vj/Cmj) '~- (Vk/Cmk) MINOR STREET APPROACH MOVEMENTS 7, 8, 9 Movement v(pcph) Cm(pcph) Cs~(pcph) cu = Cs~ - v LOS MIN~R STREET APPROACH MOVEMENTS 10,11,12 Movement v(pcph) c.(pcph) Cs~(pcph) cR = CSH -- V LOS MAJOR STREET L£Fr TURNS 1~ 4 Movement v (pcph) Cm (pcph) c~ -- Cm -- V LOS " · '* ~ UNSIGNALIZED INTERSE '~NS 10-37 WORKSHEET FOR ANALYSIS OF T-INTERSECTIONS t ~LY VOL~ ~r~ ~PH ~ ~ ~ t ~ G~ 2~ V~ ~ V,~ ~ V~~ ~V~ ~ T~ ~: ~LD PHF: G~e ~t~ 2 3 4 5 7 9 ~1:~~~ ~V~ c~~,v~ ~/~v~+v:- ~ + ~ - 'lO~W~) ~ LT F~ ~ ~ ~ V, ~~v~ v,+v~- V~ +~-2~g ~) ~ Gap, T~, ~ ~ Ca~, c~ T~ -- Y'~ ~ ~-~) ~ -- ~O ~ ~. m-3) ~P~LTm~~~ { ~v, ~t~ Gap, T~, a~ ~ Ca~d~, cp T~ ~ ~ ~ ~ ~a~ 10-2) c~ ~ ~ ~ ~ ~. ~-3) S~E~ C~ v~ + v~ ~ ~e ~ s~ SH~ (v,/c.,) + (v,/~,) ~t N~ v(~) c. ~) ~ ~h) ~- v c~ ~ 5~ 3 ? -20 F ~ 9 I R~o 85~ A 4 I 7~o 7~ . UNSIGNALIZED INTER$£ ,~NS 10-37 ,ii WORKSHEET FOR ANALYSIS OF T-INTERSECTIONS N = ~ ~ V~ ~ ~ V~ ~ G~ t~ V2 - V4~ ~ V2 _ ~V~ ~ _v, T~ ~: ~ ~ ~LD A~ ~ ~: N = ~ PHF: Gr~ % ~ ~~p,T,,~~O~,ce T,~5.~~.2)~-- ~B~ ~. ~-3) C~ ~p, T~, ~ ~t~ Ca~, % T~ = ~. ~ Ga~ ~-2) c~-- ~ ¢ ~ ~. m-3) S~E~ C~ SH ~ v~ + v, ff ~ ~ s~ (v~/c~) + {v~/~,) ~t ~ ~) ~ ~) cs. ~h) ~-~c~ ~ UN$1GNALIZED INTERSECTS 10-37 WORKSHEET FOR ANALYSIS OF T-INTERSECTIONS LOCATION: J~o~...JJ~ ~- ~~ NAME: ~ HOURLY VOLUMES VOLUMES dPCPH Major Street: /~,,~r~c.g' ~') N N ---- r~ ~ Vs -- ~ Vs Grade __ V: V,,_ __ V: =~ /,..__ V,, __ _, _v, __v, Tune Period: .~./H ~c;'/~ , i-i YIELD PHF: /' Grade % Movement lq~ 2 3 ¢ $ ? 9 8T~ 1: IFF from ~ ~ Conflicting Flow, Ve 1/2 Va + Va,= ZI Ztz- + --g- _ l~.,7-Vl~ (vo) Critical Gap, T,, and Potential Capacity, ce Tc =. g.?O sec (Table 10-2) c~ I ~ pcph (~g. 10-3) ceaak-ungno~,V~ v,+v:- ~z + z~Z .~5~ vph(v.) c.m~ Gap, T,, ~n4 Po~m~ C~p~dty, c, % -- ~.~ crm~ m-2) % = 780 ~ (ns. m-a) l~x~nt o{ % Ufiliz~l,n~ Impt~hn~ FaVor (r~. 10-5) (vJ%) × 100- ~ now, Vc 1/: V,+V:+V,+V, - Z; + 73 Z+ 15~/+ I . ~L~_3~ (%) Criticm] Gap. T.. and Potential Capadt7, ce Tc = ~' l~i~ see (Table 10-2) c,~ Actual C.~pacity, c,,, c., - % x P, = t/'O x I, O SHARED-LANE CAl~.CrrY v~ + v~ if hne is shared (v,/c=,) + (v,/c.,) Movement N~ v(pcph) c= (pcph) c~. (pcph) c~ LOS ~ I ?~O V~ A ~ UNSlONALIZED INTERSECTIOi~ 10-37 WOgKSI~t~T FOR ANALYSIS OF T-INTERSECTIONS HOURLY VOLUMES VOLUMES I~PCPH Ma~' Street: /~a,~r"P~4r G N N--[~. I ~ V~ _~_~o ,.~-- V5 -- Grade ~2.7~_ V~ ~ V, ~ ~ V~ ~V~ V~V~_- Street: PHF: /.~ Grade ~ % VOun~ Movement N~ 2 3 4 5 7 9 Volume (vph) / 2~ b ~ STEP 1: RT from Minor Street t~ V9 Conflicting Flow, V, 1/2 V Critical Gap, T,, and Potential Capacity, cv T~ ~_~_~0~ec.(Table 10-2) %s ~ h~E~ pcph (Fag. 10-3) Actual Capacity, c~ ~'l'l~i' 2~ LT From Major ~ ( V~ Contticting Flow, v, v~ + v~ ~' +t2~g = 1~o2 vph (V~3 Critical Gap, T~, and Potential Capacity, % T~ = g ~ sec (Table 10-2) c~ =~ 2~ pcph (Fig. 10-3) Percent of % Utilized and Impedance Factor (Fig. 10-5) (v~/c~) Actual Capacity, c~, c~.~ ---- c~ -~ ~ pcph S~-I~r 3: LT From Minor Street I "~ V~ ¢onaictins Flow, v< 1/2 v3+v~+v,+v. = ~Z +~z_~+ ~Z~+ ~- _- I~h (v<,), Critical Gap, T~, and Potential Capacity, c~ T~---- ~.bOsec (Table 10-2) c~== $~ pcph (Fig. 10-3) Actual Capacity, c= c=, = %, × P. = :-~ × O.c/~ = 5~ pq>h SHARED-LANE CAPACtl- Y SH -- v? + vs if lane is shared (v~/c.,~) + Mov~-ment No. v(pcph) c~ (pcph) cs~ (pcph) % LOS ~ ~ zoo I ~ D