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Last modified
8/22/2018 4:01:18 PM
Creation date
8/21/2018 12:28:54 PM
Metadata
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Template:
PDD_Planning_Development
File Type
WG
File Year
18
File Sequence Number
3
Application Name
Lombard Apartments
Document Type
Misc.
Document_Date
8/21/2018
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Yes
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movements into and out of the driveway with movements <br />into and out of the adjacent driveways and intersection. <br />'therefore, the proposed driveway located is the most <br />appropriate location in order to maintain efficient traffic flow <br />movements. <br />The applicant has not established the need for the access to River Road, a major arterial. <br />The applicant has ignored the language of EC 7.420 which may allow access if "[tl he <br />applicant proposes a restricted movement access connection, including but not limited to <br />median barriers or directional in/out barriers." There is no discussion of any potential <br />access restrictions whatsoever and there are no physical restrictions which prevent <br />compliance with that provision. Certainly, access restrictions should be considered before <br />full access should be considered per FC 7.420. The applicant cites no need or benefit to the <br />proposed access point. <br />The applicant provides no substantial evidence to support their claims of adequate safety of <br />the proposed access point but instead relies on general statements. It is widely accepted that <br />access to major arterial roadways is undesirable (hence the standard to not allow it in the first <br />place) due to the safety implications of access to major arterial roadways creating additional <br />conflict points. <br />There are numerous resources that establish the benefits of access management of arterial <br />roadways and the requirement to limit access to them especially when alternatives exist. For <br />example, FH'.-X's . 1cme.r AIanaement in the Vicinity oJ' Inlerreclionr' states that "[p]roviding <br />access (i.e., driveways, entrances or exits) onto roadways with the lowest traffic volumes and <br />speeds generally improves safety, near intersections. In planning, designing, and managing <br />access, critical consideration must be given to arterial and collector streets as these streets <br />serve both mobility and access functions. To the extent possible, it is best to manage <br />driveways so that access is provided to and from the roadway with the lower functional <br />classification as these roadways typically have lower traffic volumes and speeds. This helps to <br />reduce the frequency of conflicts, which min tnizes both the opportunity for crashes and the <br />severity of those crashes, should they occur", "[w1here restricting turning movements to <br />and from a driveway is possible, it is most beneficial from a safety perspective to prohibit <br />left-turning movements. Research suggests that approximately 72 percent of crashes at a <br />driveway involve a left-turning vehicle [G]. As illustrated in Figure 4, approximately 34 <br />percent of these crashes are due to an outbound vehicle turning left across through traffic. <br />Twenty-eight percent of crashes are due to an inbound, left-turning vehicle conflicting with <br />opposite direction through traffic, and 10 percent are 5 due to outbound, left-turning <br />movements incorrectly merging into the same direction through movement. This suggests <br />ghat reducing or eliminating left turns to or from driveways, combined with efforts to reduce <br />conflict points (described in Section 13), enhances safety" and "[research over the past <br />decades has consistently shown that crash rates increase as driveway density increases on a <br />roadway (i.e., number of driveways per mile)." <br />There are numerous other sources that could be referenced that discuss the benefits of <br />access management and the costs of not adhering to typical access management principles. <br />htu~s: safety.fliwN&dot.am intersection other topics%'tliti%asal0002,'fliNN isa10002.pdf <br />12 <br />
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