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

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B-1. MoDOT Roads The following parts of this chapter describe various types of improvements that can be made to MoDOT roads. It also discusses present funding for MoDOT and the outlook for additional funds in the future. B-1.1. Interstate and Freeways I-64 will have serious congestion between Rt. N and Rt. K. It will only have two lanes in each direction and traffic forecasts indicate volumes at capacity. These forecasts are based on Rt. 364 not being completed by 2030. Should that occur volumes will probably drop such that it will operate below capacity. It seems, regardless of the ultimate timing of Rt. 364, I-64 will have congestion problems. Although ITS implementation will be helpful, adding a lane in each direction is the only true way to provide for the additional volumes. This should not be a costly improvement since the road is already in place and can accommodate the widening. It will also improve the road’s safety and travel on other roads that feed traffic to it. This improvement is recommended in view of the importance of the safety and efficiency of travel on this Interstate route. I-70 presents a very serious problem due to the extent of the forecasted deficiencies. Traffic volumes are expected to be well in excess of the road’s capacity. Unfortunately, widening presents high costs, environmental and social concerns, and serious traffic problems during construction. Some minor widening could be accomplished with auxiliary lanes between interchanges. This should be considered from I-64/U.S. 61 to Bryan Rd., and from Rt. 370 to Zumbehl Rd. In addition, some interchanges could be upgraded to better handle traffic. These improvements would not only help congestion, but they would improve the roads’ safety and air quality in the region. Over the years there have been numerous discussions between MoDOT, St. Charles County, and other agencies, about remedies for the congestion on I-70. Early in the planning stage of Rt. 370, a connection between it and Rt. 79 along a corridor north of old town St. Peters from about Spencer Rd. west to Rt. 79 was discussed. This concept was never pursued for many reasons. First, there was no study to support that sufficient traffic would use it to greatly relieve I-70. Second, funding for its construction and adding it to the state system was an issue. Third, there were numerous environmental concerns about building a road in this location. Although this improvement was never pursued by MoDOT, the County still is of the opinion that it would be of value. This report has discussed the severity of congestion on I-70 and how it is only going to get worse. It suggests that MoDOT consider all improvement alternatives to alleviate future congestion. The above roadway plan could possibly reduce some future traffic on I-70 between Rt. 79 and Rt. 370. Therefore, for that reason, this report recommends that a study be conducted to determine how much traffic would be diverted, any environmental concerns and other issues, and the cost-benefit of such an improvement. A new wider westbound bridge over the Missouri River presents a real challenge for MoDOT. Such an improvement would present extremely difficult construction problems and would be quite costly. 120
Figure 10 Year 2030 Levels of Service E and F Click on the map below to view a larger version 121
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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
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Crash Rates The crash rate is the b
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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
Page 126 and 127: severity, and the crash rate (crash
Page 128 and 129: 118
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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