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# PDF (DX094490.pdf) - White Rose Etheses Online

PDF (DX094490.pdf) - White Rose Etheses Online

## 228 APPENDIX 2 THE

228 APPENDIX 2 THE COMPUTER SIMULATION PROGRAMS

DOUBLE PRECISION R INTEGER*4 I A = 2.95 B = 2.42 I = 4.91 Q = 0.44 TAU = 1.0 CALL RANDOM (I,R) ITT = ITT + 1 229 APPENDIX 2a H TAU + (1./Q - TAU) * ALOG(1/R) IF(H.LT.A)GOTO 5 IF(H.GE.A.AND A.LT. A+B) IE = 1 IF(C.GE. A+B) GOTO 3 GOTO 4 3 FH=H-A FD = FH/B IE = FD ^ 1 4 W = EXP(Q*(T_TAU)/(1._Q*TAU) MTA = MTA + 1 IF(MTA.GT.500)MTA = 1 WRITE(6,2)IE,H,W,ITT,NTA 2 FORIyIAT(16,F6.2,F7.2,217) 5 IF(ITT.GT.16834.AND.MTA.EQ.500)GQTQ 6 GOTO 1 6 CALL EXIT END SUBROUTINE RANDOM DOUBLE PRECISION R INTEGER*4 I I = 125+1 I MOD(I,65536) R = 1/65536 RETURN END Computer Simulation Program for Single Entry to Roundà'bout

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A COMPUTER SIMULATION STUDY OF THE

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11 SUMMARY This thesis reports on a

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2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9

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viii LIST OF TABLES 3.1 Observed Fl

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3 a modified formula was introduced

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CHAPTER 2 LITERATURE REVIEW: CAPACI

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(Wardrop, 1957). The investigation

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9 They looked also at ways of impro

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11 small-island layouts were design

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13 operating under no clearly defin

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where a: the critical gap (sec), NQ

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where = Q e cx e -1 17 the maximum

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19 The research carried out at TRRL

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take account of local operating con

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23 These types are illustrated in f

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25 exceeded by a considerable margi

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27 queues at the end and beginning

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"- C) 0 '.-. ) LU 0 S.- 0 C) ( j 0

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38 CHAPTER 3 COLLECTION 0F DATA

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40 Sheffield. It was observed that,

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42 using a SONY AV342OCE portable m

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44 Ecciesall Road. However, this di

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46 TABLE 3.2 Day Entry Total flow F

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\\ Ec.esa11 Road \"\\/i? LLjji 1lTh

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\\\\\ ' \\\\ r * ' \\\_\ ' ' \\% .'

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61 CHAPTER 4 GAP ACCEPTANCE CHARACT

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63 this field. The conventions used

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65 have been developed that use mor

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67 of drivers who accept such gaps,

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69 consistently accept all gaps gre

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71 a merging platoon. Although they

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73 They related the gap-acceptance

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75 advance which rejected gaps shcu

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77 proposed by Bennett (1971), Horm

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larger than the respective ones for

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81 The direct linear relationship i

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83 mean squared errors or variances

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85 produce reasonable predictions,

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87 the rejected gaps. The results o

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89 exclusion of top values decrease

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91 definition of gap size as depend

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93 4.5.8 The Effect of Assuming the

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95 demonstrated on Fig. 4.8 and Fig

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97 When the model was validated by

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99 4.8.2.2 The Negative Exponential

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101 0: the proportion of restrained

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103 coefficient of the regression s

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105 From the point of view of which

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107 TABLE 4.1 (continued) No.1 Loca

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Cl U) a) a) 0 I )1) H U) 0 U) a) '-

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1 2 3 4 56789 10 2.95 2.94 2.68 2.9

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Ci) (ii) 0. 113 TABLE 4.7 mean st.d

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1 2 345678 9 0 2.42 2.44 2.50 2.63

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1 2 3 4 5 6 7 8 9 10 2.61 2.93 2.68

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(i) (ii) a 119 TABLE 4.13 mean st.d

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oup 121 TABLE 4.16 no.of entries on

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1 2 3 4 5 67 8 9 10 11 12 13 14 15

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1 2 3 4 5 6 7 8 9 10 125 TABLE 4.21

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4i -1 0 '-I- U-I a) .li.IC 127 E- .

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129 TABLE 4.26 Time interval- (sec)

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No. of passing vehicles 0. 1 2 3 4

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ci) 4) x4-4 ..-..' .,-4 CDV) U H N

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250 200 50 I00 50 135 o i 6 7 8 9 1

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tag ..engfñLf Weaving Width •3/

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0 0 1, 0 C- 4.5 4. 0 3. 5 3. 0 2.5

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3. 5 3. 0 2.5 0 0 2. 0 1.5 141 1.5

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U, II 114 U z isa 114 Ii. z 0 U) (/

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145 CHAPTER 5 THE SIMULATION PROGRA

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147 following a uniform (rectangula

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149 Let F(t) = r, the random fracti

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151 5. Entering or alternatively up

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153 (b) Three initial numbers for t

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155 vehicles are not of such length

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U U, a Ia- LO 0.9 0.8 07 0.5 - 0.4.

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159 CHAPTER 6 RESULTS AND COMMENTS

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161 equivalent to the capacity of a

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163 parameters. It was found that a

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165 least 50% straight ahead traffi

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167 left-turning vehicles, is not u

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169 exhibit a minimum average delay

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171 not operating at or near capaci

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Input 500 1000 1500 2000 2500 3000

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4000 3500 3000 L 2500 N -c > ..2000

• Page 179 and 180: 177 1. Ashworth and Laurence (1977)
• Page 181 and 182: (0 C -J Lj_ o L 0 -a 3 z > 4.0 3. 5
• Page 183 and 184: C.. -C N-c > 1000 980 960 940 920 9
• Page 185 and 186: 0 1 U- uJ 540 520 500 480 183 0. 0
• Page 187 and 188: N > 0 -J IL > C- C ILl 0 200 160 16
• Page 189 and 190: C) Co 6 4 >2 -J a m C.. 0 > -I 8 18
• Page 191 and 192: C, Co >\ CD 0 CD CD S 15 10 189 % S
• Page 193 and 194: C) •1 > 0 L. > 10 5 191 ST 101 =
• Page 195 and 196: U (0 >.' -J C, (I > -J 20 10 193 %
• Page 197 and 198: ' -J a m C.. > 10 5 195 Qi = 500 ve
• Page 199 and 200: 0 CD CD Ii >\ CD CD CD CD C.. CD >
• Page 201 and 202: 0 (U (U (U Cj (U (U > -J (U 20 10 0
• Page 203 and 204: 0 I. >' Oi C.. > -J 0 '-0 30 20 10
• Page 205 and 206: 0 60 40 IT 203 cx = 2.50 sec 500 =
• Page 207 and 208: C) (0 60 40 20 205 02 = 3.50 sec c.
• Page 209 and 210: t!) 60 40 >20 207 Beta 01 = 1000 ve
• Page 211 and 212: 0 0 60 40 120 209 Beta Q1 = 3000 ve
• Page 213 and 214: .0 60 40 11 1.5 211 Alpha Q1 = 1000
• Page 215 and 216: C) Co 60 40 20 213 ALpha Q1 = 3000
• Page 217 and 218: 215 A computer simulation model has
• Page 219 and 220: 217 hou1d. Therefore any change in
• Page 221 and 222: 219 Ashworth, R. and M.Z.H. Mattar,
• Page 223 and 224: 221 Kirnber, R.M. and E.M. Hollis,
• Page 225 and 226: 223 Wagner, F.A., 1966. "An Evaluat
• Page 227 and 228: 7 0 4 225 0 4 20 24 F re A. 1 Qb.er
• Page 229: 4-. C'- -7 227 0 4 12 20 24 -. z ec
• Page 233 and 234: 231 GPNO(i13) = GPNO(K3)+1 NOG GPNO
• Page 235 and 236: 43 121(SX,A1) 12 IF (A1.GE.AP) AX =
• Page 237 and 238: 235 DELY(H2,M3) T3(i12,N3)-121(112,
• Page 239 and 240: 82 2 237 sui entries of lane tar
• Page 241 and 242: 108 106 CONTINUE 109 CONTINUE DO 10
• Page 243 and 244: CAP CAP+CA(N3) 125 CONTINUE 00 128
• Page 245 and 246: ci) 0 ci) a) '-I 0 a) 0 4-1 in 4-1
• Page 247 and 248: I-i a) 0 ci) a) \$4 a) L;l 4-I 0 -'-
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