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

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No. Road Segment Crashes From To Miles 2002 2003 2004 78 3 Yr Total 2004 ADTs Crash Rate 39Rt. D Rt. 94 Rt. DD 5.9 26 33 30 89 7400 188 40Elm St. Rt. 370 Kingshighway 3.7 28 17 31 76 10000 188 41I-70 Bryan Rd. Lake St. L 2.0 101 112 103 316 75900 187 42Knaust Rd. Mexico Rd. Birdie Hills Rd. 2.5 21 15 5 41 8000 187 43I-70 Rt. 79 Rt. K/M 2.6 203 204 216 623 115600 187 44I-70 Zumbehl Cave Spgs 1.8 143 179 164 486 141700 175 45U.S. 40/61 Rt. K Rt. N 5.2 129 180 142 451 46100 173 46Rt. 370 St. L. Co. Rt. 94 0.6 23 17 22 62 56800 166 47I-70 Rt. 94 Zumbehl 1.4 124 131 125 380 155000 162 48Birdie Hills Mexico Rd. Weiss Rd. 1.7 13 7 10 30 10000 161 49I-64 St. L. Co. Rt. K 3.2 202 165 72 439 77500 161 50Rt. 79 Rt. M Lincoln Co. 6.4 38 53 44 135 13300 145 51I-70 Cave Spgs Rt. 370 1.8 106 109 126 341 124400 141 52U.S. 67 St. L. Co. Alton, IL 4.1 62 44 53 159 25800 136 53Harry Truman Blvd. Rt. 370 I-70 2.2 6 9 10 25 8000 130 54I-70 Lake St. L U.S. 40/61 3.6 86 135 108 329 66400 126 55I-70 Pearce Blvd. Warren Co. 4.9 135 91 149 375 56400 124 56Bryan Rd. I-70 Rt. N 2.7 18 27 38 83 25000 112 57U.S. 61 I-70 Lincoln Co. 7.3 110 75 102 287 33000 109 58Caulks Hill Rd. Harvester Rd. Greens Bottom Rd. 2.5 10 19 18 47 17000 101 Totals = 218.6 5815 5619 5713 17147 Average = 313 B-2. Summary of Road Crash Data The composite crash data for St. Charles County shows the major role that MoDOT roads play in providing safety. They make up the most mileage and carry the highest traffic volumes. They provide the most important and greatest means of travel for all trip purposes including travel into, out of, and through the St. Louis region. They also serve a large amount of commercial vehicles into, through and out of St. Charles County and the region. Although all the roads carry a large amount of traffic, the roads with the highest functional classification, Interstates, Freeways, and Expressway, provide a very high degree of safety. As an example, I-70 carries the highest traffic volumes, but has fewer crashes per mile, than many other roads. It does not have high crash rates, therefore, even with very high traffic volumes, it still is considered quite safe for the amount of traffic it handles. Their has always been a correlation between traffic volumes and numbers of crashes. This is especially true in urban and suburban areas. As traffic volumes continue to increase in St. Charles County, as described in later chapters, the potential for more crashes increases. This is true on all streets and highways. MoDOT in particular and St. Charles County and its cities will have to continue planning improvements that will reduce the potential for these crashes. MoDOT’s Blueprint for Safer Roads, discussed earlier, provides a good foundation for addressing this issue.
B-3. Motorcycle, Bicycle, and Pedestrian Crashes A safety item of interest in this study was the number of motorcycle, bicycle, and pedestrian crashes that occurred in the County. Motorcycles had the highest number, pedestrians had the second highest, and bicycles had the third. These data were compared to the region and the state. These values are shown in Table 27. Table 27 2002, 2003, 2004, Motorcycle - Bicycle - Pedestrian Crashes County - Region - State St. Charles Region Percent of Region 79 State Percent of State Motorcycle 296 1,496 19.8% 5,331 5.6% Bicycle 94 966 9.7% 2,315 4.1% Pedestrian 128 2,196 5.8% 4,441 2.9% B-4. Deficiencies in the Crash Data Analyses The above analysis of crash data provided good information about the number of crashes that occurred; the road segments where they happened; the number of crashes per mile; their severity, and their crash rates. While this allowed for identification of where, how many, and how bad, it didn’t discuss other very important factors such as the how and why these crashes occur. There are many factors that contribute to why crashes happen. They include road conditions, sight distances, traffic control devices, traffic volumes, possible distractions, weather conditions, time of day, other drivers, and other factors. None of these items have been examined in this study. The most important item that must be considered and also is not addressed is the driver and his/her situation. Is the driver preoccupied instead of paying full attention to driving, such as talking to passengers, listening to the radio or CD, or talking on a cell phone. Is the driver sick or having some kind of mental or a physical problem that reduces their ability to drive the vehicle properly or simply falling asleep or not paying close attention. Is he or she intoxicated or affected by some type of drug. To properly address these important items a full and more comprehensive report on safety for the County is required. Such a report is beyond the scope of this study. Traffic engineers have been performing these investigations for years. MoDOT has experienced engineers who apply the best techniques to analyzing crash data on roads having poor crash statistics. Some counties and cities also have personnel with this experience or they hire traffic consultants who have competent staff that can perform such analyses. St. Charles County and many of the cities have used their staff and employed consultants to investigate various problem areas and projects.
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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
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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 86 and 87: B-1.4 MoDOT and County Crash Rate C
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
Page 136 and 137: 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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