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

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severity, and the crash rate (crashes per vehicle miles of travel), for each road segment, were used to assess their level of safety. These assessments were straight forward and the degree of safety on all major roads was described. Attempting to forecast safety, however, becomes much more difficult. First, no data is available except that which is historical. Second, no accepted crash forecasting model has been developed that has any degree of accuracy. Third, future modes of travel, especially on the road system, has many unknowns such as the ease or difficulty of driving, safety features of the road, safety features of vehicles, and technological changes for both highway and vehicle operations. In the next twenty years these changes may have a dramatic effect on safety. Instead of attempting to forecast if their will be more or less crashes and accidents, and whether they will be more or less severe, this report discusses conditions that are expected to exist on all transportation modes and how they could affect their safety. C-4.1. The Street and Highway System For the road and highway system some facts are known. On the positive side, many changes have been made that will tend to decrease the number of crashes and their severity. Improvements have been made to the highway system bringing old roads up to today’s design standard. They include safety features that did not previously exist. Improvements have also been made to newer roads that include specific safety features. New traffic control devices have been installed that more safely handle, advise, and direct traffic. These include improved traffic signals and traffic signal systems, better signing and pavement markings, and information message boards that alert drivers of advanced road conditions. Other technological changes that will improve traffic flow are constantly being evaluated and in the near future may be employed. On the negative side, many factors are making driving more dangerous and increase the possibility of more crashes and their severity. The number of vehicles on the roads and drivers available to use them has continued to rise and thus the amount of vehicular travel has increased every year. This is expected to continue although it will most likely taper off in the future. This causes more congestion, which in turn creates the possibility of vehicles colliding. On many roads, volumes during the peak hours have reached the road’s capacity and traffic moves in a start-stop mode. This creates conditions that tend to increase the number crashes. Drivers are not only dealing with more vehicles around them, but with other distractions. All types of technical devices have been placed in vehicles that take away the driver’s attention. These include cell phones, radios/CDs, navigation systems, and even television. Eating in vehicles has become commonplace. Other passengers can cause distractions. Along the road advertisements take the attention of drivers. Other vehicle incidents can result in distractions and at times can cause additional crashes. Drivers’ attitudes have changed due to all the demands that are placed on them and in some cases reaches what is described as driver rage. Lifestyle changes also contribute to driver behavior that in many cases can add to the potential for more crashes. All these factors add to the possibility of more crashes occurring in the future and in many cases, could increase the severity of these crashes. There are other unknowns that could either increase or decrease the degree of safety afforded travel on the highway system. Funds for improvements play a major role and its future is cloudy. Many 116
states are looking at other means of funding improvements besides raising existing taxes. A public/private sector partnership is being pursued in many states. In some, the use of toll roads is increasing. The vehicle mix, or size and type of vehicles that will be on the roads, is also another unknown. All these factors play a very important role in the degree of safety that can be expected. In Chapter II of Legacy 2030, safety is fully discussed including measures and initiatives that are currently being pursued. Strategies have been proposed to address and reduce future crash related problems. MODOT’s Blueprint For Safer Roadways, discusses safety in great detail and provides many strategies for improving the roadway system and the ability of persons to drive safely. The Executive Summary of this report contained in Appendix A contains a full summary of methods of improving safety on St. Charles County roads. These two documents are used as a guide in this report for future road safety in the county. C-4.2. Railroad Safety Safety of railroads was divided into two categories in Chapter IV, the first dealing with railroad crossings and the second with the railroad lines themselves. The future of safety in the first category can be related to road and highway safety. The number of vehicles using these crossings, the number of crossing, and the number of train movements are bound to increase and with it the possibility of mishaps. Fortunately, the number of vehicles using the crossings are quite low and the incidents very small. With the continued emphasis on road and railroad safety, all measures of insuring the safety of these crossings will be implemented. Therefore, it is expected that their will be no major increase in incidents and a good chance for a decrease. Crossings that handle higher volumes of traffic have continued to be monitored and considered for grade separation by both highway departments and the railroads. This should also help to decrease future crossing crashes. For railroad operations safety, the same logic applies. Railroads have had increased activity and one could expect more safety problems. However, they too have placed high emphasis on safety and have taken measures to insure that their workers adhere to all safety regulations and instructions. It is expected that safety on railroad operations will be improved and incidents will not increase. C-4.3. Airport Safety Although activity at the two airports may increase in the future, they are expected to continue making safety improvements. Runways may be improved including better striping and taxiway markings. More and better lighting may be provided where required. Technological advances in the field of aviation may further enhance the ability of airport operators and aircraft pilots to insure the continued safety of their operations. 117
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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
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Rt. N has two major parts which are
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Table 6 Missouri River Crossings Ch
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Table 7 Average Daily Traffic Volum
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adds to the amount of VMT that is f
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Criteria Table 10 Level of Service
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I-64 From the Missouri River to wes
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I-70 west of U.S. 40/61 to Pearce B
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Criteria Table 11 Level of Service
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speed of 50 placing it at LOS C. Th
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Jungermann Rd. This road runs from
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B-5.5. Major Collectors Major Colle
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U.S. 67 experienced no delays and t
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Road Beginning End Table 14 Travel
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southbound from I-70 to Rt. 94 was
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• The consultant sent out questio
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F. Aviation St. Charles County has
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B-1.1 MoDOT Roads Number of Crashes
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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 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
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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
Page 139: APPENDICES
Page 143 and 144: APPENDIX B 2030 TRAFFIC VOLUME FORE
Page 145: Appendix B (Continued) Route/ Exist
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