St. Charles County Transportation Plan 2030 - East-West Gateway ...

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B-1.4 MoDOT and County Crash Rate Comparison For a better review of safety on the major roads in St. Charles County, the three crash indicators discussed above for MoDOT roads and County roads were compared. For crashes per mile, MoDOT averaged 131 crashes per mile for their 44 road segments while the County averaged 32 for their 24 road segments. For the severity rating, MoDOT had an average value of 76 while the County had 12. For the crash rate, MoDOT had an average of 327 while the County had 178. It can be seen that in all three categories the ratings on MoDOT roads are much higher. This tends to indicate that travel on MoDOT roads is not as safe as travel on County roads. However, the best measure or safety on a road segment is the crash rate as it uses the number of crashes along with the traffic volumes and the length of the segment. In order to best assess how MoDOT roads and major County roads compared, a composite crash table using crash rates was developed and is shown on Table 26. It ranked 58 road segments leaving out roads that had a crash rate under 100. It shows the distribution of the major roads regardless of whether they were MoDOT roads or County roads. MoDOT had the higher number of road segments because they carry the highest traffic and have the most crashes. They contained 178 miles and the County had 40 miles resulting in 82% for MoDOT and 18% for the County. The composite list shows MoDOT had the most crashes with 15,420 while the County had 1,727, totaling 17,147. This is 90 percent and 10 percent respectively. Multiplying the miles by the ADTs, reveals that MoDOT roads handled 5.3 million vehicle miles of travel (VMT) a day while the County roads only handle 0.6 million. This places MoDOT’s VMT at 90 percent and the County’s at 10 percent. This reflects the number of crashes on each road system. Examination of Table 26 reveals that the first 10 roads listed are MoDOT roads. At the top of the list was Rt. 94 from Rt. 370 to I-70. The next highest include other segments of Rt. 94, the two segments of Rt. K from I-70 to I-64, and segments of Rt. N and Rt. Z. Mexico Rd. from Mid Rivers Mall Dr. to Rt. K was number 11. It was followed by four more MoDOT roads including three more segments of Rt. 94. The next County road was Zumbehl Rd. from I-70 to Rt. 94 which ranked number 16. Five County roads, including the other three segments of Mexico Rd., were in the middle ranking 19 through 23. The remaining County roads were scattered throughout the list. In all, the MoDOT road segments had the highest crash rates. Although MoDOT roads have the highest crash rates, it must be noted that I-70 ranked low on the list. Their was only one segment, U.S. 40/61 to Pearce Blvd. that was above the middle of the list (number 18) and it was below two County roads, Mexico Rd. from Mid Rivers Mall Dr. to Rt. K, (number 11) and Zumbehl Rd. from I-70 to Rt. 94 (number 16). Eleven segments of I-70, that included those with the highest traffic volumes in the County, ranked low on the list. The road with the worst crash rating overall in St. Charles County was Rt. 94. Many segments, especially those between I-70 and I-64, had very high crash rates. This road has been undergoing upgrading with the construction of the Rt. 364 freeway from approximately Hemsath Rd. west to Harvester Rd. and other sections to the west of it are scheduled for construction . This will greatly alleviate some of the safety problems presently being experienced. 76
No. Road Table 26 St. Charles County Major Roads Composite Crash Data, 2002, 2003, and 2004 Ranked By Crash Rates Segment Crashes From To Miles 2002 2003 2004 77 3 Yr Total 2004 ADTs Crash Rate 1Rt. 94 Rt. 370 I-70 3.6 356 337 379 1072 16000 1724 2Rt. 94 I-64 Rt. D 1.2 55 33 28 116 10700 825 3Rt. DD U.S. 40/61 Rt. D 6.0 47 28 76 151 3000 770 4Rt. K I-70 Rt. N 3.2 476 432 385 1293 51000 733 5Rt. K Rt. N I-64 3.2 126 143 144 413 17600 666 6Rt. Z I-70 Rt. N 2.5 43 45 37 125 7000 647 7Rt. N Rt. K U.S. 40/61 3.9 168 176 169 513 21400 560 8Rt. N Mid R. M. Dr. Rt. K 4.0 161 181 159 501 22600 501 9Rt. 94 Rt. D Rt. DD 6.0 35 33 30 98 3000 501 10Rt. 94 I-70 Rt. 364 E. 3.1 320 287 312 919 56900 480 11Mexico Rd. Mid Rivers Mall Dr. Rt. K 4.1 205 147 141 493 23000 477 12Rt. 94 Rt. 364 W. Mid R. M. Dr. 3.6 240 231 300 771 42700 461 13Rt. A I-70 U.S. 61 3.3 58 65 47 170 12000 397 14Rt. 94 U.S. 67 Rt. 370 22.3 89 78 80 247 2700 375 15Rt. 94 Mid R. M. Dr. I-64 3.8 201 229 178 608 40000 370 16Zumbehl Rd. I-70 Rt. 94 1.2 34 34 49 117 25000 356 17Rt. 94 Rt. DD Warren Co. 14.3 39 41 65 145 2900 320 18I-70 U.S. 40/61 Pearce Blvd. 2.1 187 171 148 506 72200 302 19Mexico Rd. Rt. K Bryan Rd. 2.1 33 29 31 93 14000 289 20Mexico Rd. Cave Springs Rd. Mid Rivers Mall Dr. 3.6 138 108 112 358 32000 284 21Friedens Rd. Rt. 94 Arena Pkwy 1.7 16 19 23 58 11000 283 22Wentzville Pkwy U.S. 61 I-70 2.2 8 5 24 37 6000 256 23Belleau Ck. Rd. I-70 Mexico Rd. 1.1 14 10 12 36 12000 249 24I-70 Rt. 370 Mid R M 1.2 176 126 147 449 134300 248 25Muegge Rd. Mexico Rd. McClay Rd. 2.7 50 21 24 95 13000 247 26I-70 St. L. Co. Rt. 94 1.8 266 292 240 798 165100 244 27U.S. 40/61 Rt. N I-70 4.8 114 149 182 445 35700 237 28Lake Saint Louis B. I-70 U.S. 40/61 4.3 18 18 18 54 5000 229 29I-70 Rt. K/M Bryan Rd. 1.8 139 128 132 399 89800 228 30Rt. N U.S. 40/61 Rt. Z 5.4 41 62 50 153 11500 225 31Rt. 364 Rt. 94 E. Rt. 94 W. 1.6 55 53 78 186 50000 210 32Salt Lick Rd. I-70 Mexico Rd. 1.2 16 14 23 53 19500 207 33Rt. B Rt. 94 Huster 4.1 8 3 3 14 1500 206 34Harvester Rd. Rt. 94 Caulks Hill 0.6 7 4 20 31 23000 205 35Rt. B Huster Rt. C 5.1 4 3 2 9 800 202 36Rt. 79 I-70 Rt. M 4.0 47 61 60 168 19000 201 37I-70 Mid R M Rt. 79 1.7 186 152 180 518 138500 199 38Rt. P Rt. M U.S. 61 10.2 55 49 57 161 7500 191 (Continued on next page)
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THE ST. CHARLES COUNTY TRANSPORTATI
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Table of Contents (Continued) Chapt
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Table of Contents (Continued) Chapt
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List of Figures Figure Page 1. Coun
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List of Acronyms/Terms AASHTO Ameri
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investment scenarios. Also, more ac
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doubled, going from 46,354 to 101,7
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C. Present Land Use Basic inputs in
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Mueller Rd., Elm Point Rd., and Lit
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land is available for additional de
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Interstate highways serve traffic w
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other uses as well. They generally
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Table 4 Average Daily Traffic Volum
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U.S. 67 is a four-lane expressway t
Page 35: Figure 4 Year 2004 Average Daily Tr
Page 39 and 40: Rt. N has two major parts which are
Page 41 and 42: Table 6 Missouri River Crossings Ch
Page 43 and 44: Table 7 Average Daily Traffic Volum
Page 45 and 46: adds to the amount of VMT that is f
Page 47 and 48: Criteria Table 10 Level of Service
Page 49 and 50: I-64 From the Missouri River to wes
Page 51 and 52: I-70 west of U.S. 40/61 to Pearce B
Page 53 and 54: Criteria Table 11 Level of Service
Page 55 and 56: speed of 50 placing it at LOS C. Th
Page 57 and 58: Jungermann Rd. This road runs from
Page 59 and 60: B-5.5. Major Collectors Major Colle
Page 61 and 62: U.S. 67 experienced no delays and t
Page 63 and 64: Road Beginning End Table 14 Travel
Page 65 and 66: southbound from I-70 to Rt. 94 was
Page 67 and 68: • The consultant sent out questio
Page 69 and 70: F. Aviation St. Charles County has
Page 71: B-1.1 MoDOT Roads Number of Crashes
Page 74 and 75: Table 16 Missouri Department of Tra
Page 76 and 77: Crash Rates The crash rate is the b
Page 78 and 79: Table 19 Missouri Department of Tra
Page 80 and 81: B-1.2. Comparison of MoDOT Roads to
Page 82 and 83: Road Table 22 St. Charles County Ma
Page 84 and 85: Table 24 St. Charles County Major R
Page 88 and 89: No. Road Segment Crashes From To Mi
Page 90 and 91: The Council’s long range plan dis
Page 92 and 93: A. Background V. Present Transporta
Page 94 and 95: St. Louis. The next or “Second Ti
Page 96 and 97: County Preservation Table 28 Transp
Page 98 and 99: D-1. Mode of Travel to Work For 200
Page 100 and 101: to I-64, and Winghaven Blvd./Bryan
Page 102 and 103: When a new interchange is built eas
Page 104 and 105: taking into account future improvem
Page 107: Figure 8 Year 2030 Forcasted Travel
Page 110 and 111: 100
Page 112 and 113: I-64 Summary Traffic volumes on I-6
Page 114 and 115: With an additional lane eastbound (
Page 116 and 117: By 2030 volumes are expected to rea
Page 118 and 119: passes through the signal of the no
Page 120 and 121: Rt. A This five-lane road runs from
Page 122 and 123: of future travel conditions. Some m
Page 124 and 125: Winghaven Blvd. Rt. N to I-64. Wing
Page 126 and 127: severity, and the crash rate (crash
Page 128 and 129: 118
Page 130 and 131: B-1. MoDOT Roads The following part
Page 132 and 133: 122
Page 134 and 135: study should be low, however, impro
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public decisions, and does not mean
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APPENDICES
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APPENDIX B 2030 TRAFFIC VOLUME FORE
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Appendix B (Continued) Route/ Exist
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