Convertible Roadways and Lanes (2004) / Chapter Skim
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Pages 81-104
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From page 81... ...
69 APPENDIX B Survey Results Uses and Locations Question 1: Are you currently using reverse-flow (RLS) /contraflow operations?
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From page 82... ...
70 Government of the Northwest Territories No Virginia DOT Congestion Mitigation Ministre des Transports -- Government of Quebec Congestion Mitigation Roadway Construction Louisiana DOT Emergency Management Illinois DOT Congestion Mitigation New York City DOT Congestion Mitigation Texas DOT Emergency Management Congestion Mitigation Transit Performance Uses and Locations Question 2: On which type(s) of facilities do you use RLS?
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From page 83... ...
71 Government of the Northwest Territories N/A Virginia DOT Freeway Ministre des Transports -- Government of Quebec Bridge Freeway Louisiana DOT Freeway Arterial Roadway Illinois DOT Freeway New York City DOT Freeway Texas DOT Freeway Uses and Locations Question 3: List the road systems where you are using (or have used) RLS, its length, and location of initiation and termination points.
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From page 84... ...
72 University of Idaho Not Listed Maryland Transportation Authority US 50 5.3 mi Toll Plaza MO 8 interchange Varies-1 each direction Mississippi DOT I-59 90 mi MS St.
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From page 85... ...
73 Design Question 4: Do you have documented standards/recommendations for traffic control on RLS? If so, do they include any of the following?
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From page 86... ...
74 Ministre des Transports -- Government of Quebec No Response Louisiana DOT Traffic Control Devices Illinois DOT Traffic Control Devices Signs Pavement Markings New York City DOT Traffic Control Devices Signs Pavement Markings Texas DOT Traffic Control Devices Signs Pavement Markings Design Question 5: Which of the following do you have written standards/recommendations for the geometric design of RLS? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works Lane Delineation Lane Width Washington State DOT Approach Termination Cross Section Lane Delineation Lane Width Guardrail Crash Attenuators Mississippi DOT Approach Termination North Texas Tollway Authority No Response Kansas Turnpike Authority Approach Lane Delineation Washington, DC DOT No Response Ohio Turnpike Commission Approach Cross Section Lane Delineation Lane Width Guardrail Crash Attenuators Iowa DOT No Response Charlotte DOT No Response College of William and Mary Campus Police No Response University of Oklahoma Police Department No Response University of Idaho No Response Maryland Transportation Authority Lane Delineation Mississippi DOT Approach Termination South Carolina DOT No Response
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From page 87... ...
75 City of Vancouver No Response Alabama DOT No Response Oregon DOT No Response New Jersey DOT Approach Lane Delineation Government of the Northwest Territories No Response Virginia DOT Approach Termination Cross Section Lane Delineation Lane Width Guardrail Crash Attenuators Ministre des Transports -- Government of Quebec No Response Louisiana DOT No Response Illinois DOT No Response New York City DOT Approach Termination Cross Section Lane Delineation Lane Width Guardrail Crash Attenuators Texas DOT No Response Design Question 6: Have you had to develop any of your own standards, procedures, or specifications for RLS use? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works Yes Washington State DOT Yes Mississippi DOT Yes North Texas Tollway Authority No Kansas Turnpike Authority Yes Washington, DC DOT Yes Ohio Turnpike Commission No Iowa DOT No Response Charlotte DOT Yes College of William and Mary Campus Police No University of Oklahoma Police Department No University of Idaho No Response Maryland Transportation Authority Yes Mississippi DOT Yes South Carolina DOT Yes City of Vancouver No Alabama DOT Yes Oregon DOT No Response New Jersey DOT Yes Government of the Northwest Territories No Response
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From page 88... ...
76 Virginia DOT No Ministre des Transports -- Government of Quebec Yes Louisiana DOT No Illinois DOT Yes: Hours of operation New York City DOT Yes Texas DOT Yes Design Question 7: Which of the following best describes the type of construction for the installation of your RLS? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works Retrofit Washington State DOT New Construction Mississippi DOT Retrofit North Texas Tollway Authority No Response Kansas Turnpike Authority Retrofit Washington, DC DOT New Construction Ohio Turnpike Commission New Construction Iowa DOT No Response Charlotte DOT Retrofit New Construction College of William and Mary Campus Police No Response University of Oklahoma Police Department No Response University of Idaho No Response Maryland Transportation Authority Retrofit Mississippi DOT Retrofit South Carolina DOT Retrofit City of Vancouver New Construction Alabama DOT Retrofit New Construction Oregon DOT No Response New Jersey DOT Retrofit Government of the Northwest Territories No Response Virginia DOT New Construction Ministre des Transports -- Government of Quebec Retrofit Louisiana DOT Retrofit Illinois DOT New Construction New York City DOT Retrofit Texas DOT Retrofit
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From page 89... ...
77 Management, Control, and Enforcement Question 8: How did you arrive upon your criteria for starting and stopping RLS? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works Safety, geometrics, operations, system impacts Washington State DOT Mainly on a routine and timed schedule for consistencies.
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From page 90... ...
78 Louisiana DOT Depends on the movements and type of emergency Illinois DOT Coordination with downtown area (loop) and junction with other expressways New York City DOT Queue by-pass requirements Texas DOT Geometrics, origin destination criteria Management, Control, and Enforcement Question 9: How is the public educated or notified about when and how the RLS is operated?
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From page 91... ...
79 Texas DOT Static and dynamic signs, transit authority public information Management, Control, and Enforcement Question 10: Does your agency have a website that includes any RLS information? Agency Response City of Memphis, Engineering Division No Denver Department of Public Works No Washington State DOT http://www.wsdot.wa.gov/regions/northwest/traffic/expresslanes/ http://www.wsdot.wa.gov/pugetsoundtraffic/ Mississippi DOT www.gomdot.com North Texas Tollway Authority No Kansas Turnpike Authority No Ohio Turnpike Commission No Iowa DOT No Charlotte DOT No College of William and Mary Campus Police No University of Oklahoma Police Department No University of Idaho No Maryland Transportation Authority No Mississippi DOT www.mdot/cetrp/default.htm South Carolina DOT No City of Vancouver No Alabama DOT No Oregon DOT No New Jersey DOT No Government of the Northwest Territories No Virginia DOT www.VirginiaDOT.org Ministre des Transports -- Government of Quebec No Louisiana DOT www.dotd.state.la.us Illinois DOT www.travelinfo.org New York City DOT Texas DOT No Management, Control, and Enforcement Question 11: Who is in charge of the setup, management, and shutdown of your RLS?
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From page 92... ...
80 Washington State DOT State DOT Mississippi DOT Law enforcement State DOT North Texas Tollway Authority Law enforcement Bridge, Tunnel, Turnpike, or Tollway Authority Kansas Turnpike Authority Other: Toll supervisor Washington, DC DOT State DOT Ohio Turnpike Commission Bridge, Tunnel, Turnpike, or Tollway Authority Iowa DOT No Response Charlotte DOT Other: Local DOT College of William and Mary Campus Police Law enforcement University of Oklahoma Police Department Other: Parking department University of Idaho No Response Maryland Transportation Authority Bridge, Tunnel, Turnpike, or Tollway Authority Mississippi DOT State DOT South Carolina DOT Law enforcement City of Vancouver Local department of public works Alabama DOT State DOT Oregon DOT No Response New Jersey DOT Law enforcement State DOT Government of the Northwest Territories No Response Virginia DOT State DOT Ministre des Transports -- Government of Quebec State DOT Louisiana DOT Law enforcement State DOT Illinois DOT State DOT New York City DOT Local department of public works Texas DOT Other: Transit authority Management, Control, and Enforcement Question 12: Does the RLS operate across political jurisdictions? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works No Washington State DOT Yes Mississippi DOT Yes North Texas Tollway Authority No Kansas Turnpike Authority No Washington, DC DOT Yes Ohio Turnpike Commission No Iowa DOT No Response Charlotte DOT No College of William and Mary Campus Police No University of Oklahoma Police Department No University of Idaho No Response
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From page 93... ...
81 Maryland Transportation Authority Yes Mississippi DOT No South Carolina DOT Yes City of Vancouver No: but it does link into a reversible lane managed by the province of British Columbia (Causeway and Lions Gate Bridge)
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From page 94... ...
82 New York City DOT Yes Texas DOT Yes Management, Control, and Enforcement Question 14: Do you discontinue the use of reverse-flow/contraflow at night? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works No Mississippi DOT No North Texas Tollway Authority No Kansas Turnpike Authority No Washington State DOT Yes: I-5 for its noise Ohio Turnpike Commission No Iowa DOT No Response Charlotte DOT No College of William and Mary Campus Police No University of Oklahoma Police Department No University of Idaho No Response Maryland Transportation Authority No Mississippi DOT No South Carolina DOT Yes City of Vancouver No Alabama DOT No Oregon DOT No Response Washington, DC DOT Yes New Jersey DOT No Government of the Northwest Territories No Response Virginia DOT No Ministre des Transports -- Government of Quebec Yes Louisiana DOT No Illinois DOT Yes New York City DOT Yes Texas DOT Yes Management, Control, and Enforcement Question 15: Do you discontinue the use of reverse-flow/contraflow for any of the following adverse weather conditions?
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From page 95... ...
83 Ohio Turnpike Commission No Response Iowa DOT No Response Charlotte DOT No Response College of William and Mary Campus Police No Response University of Oklahoma Police Department No Response University of Idaho No Response Maryland Transportation Authority Snow Icy Conditions High Wind Mississippi DOT No Response South Carolina DOT No Response City of Vancouver No Response Alabama DOT No Response Oregon DOT No Response Washington, DC DOT Snow: The lanes are closed until the main line is clear during a significant event. New Jersey DOT High Wind Government of the Northwest Territories No Response Virginia DOT No Response Ministre des Transports -- Government of Quebec No Response Louisiana DOT No Response Illinois DOT Snow Icy Conditions New York City DOT Snow Icy Conditions Texas DOT No Response Assessment Question 16: Have you ever conducted a survey to assess the opinion of the public concerning RLS?
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From page 96... ...
84 Oregon DOT No Response Washington DOT Yes New Jersey DOT No Government of the Northwest Territories No Response Virginia DOT Yes Ministre des Transports -- Government of Quebec No Louisiana DOT No Illinois DOT Respondent not sure New York City DOT No Texas DOT Yes Assessment Question 17: Have you ever collected or directly measured traffic flow data, such as speed, flow, or headway? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works No Washington State DOT Yes Mississippi DOT Yes North Texas Tollway Authority No Kansas Turnpike Authority Yes Ohio Turnpike Commission No Iowa DOT No Response Charlotte DOT Yes College of William and Mary Campus Police Yes University of Oklahoma Police Department No University of Idaho No Response Maryland Transportation Authority Yes Mississippi DOT No South Carolina DOT No City of Vancouver Yes Alabama DOT No Oregon DOT No Response Washington, DC DOT Yes New Jersey DOT Yes Government of the Northwest Territories No Response Virginia DOT Yes Ministre des Transports -- Government of Quebec Yes Louisiana DOT No Illinois DOT Yes New York City DOT No Texas DOT Yes
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From page 97... ...
85 Assessment Question 18: Do you compile or maintain accident reports for reverse-flow/contraflow systems? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works Yes Washington State DOT Yes Mississippi DOT No North Texas Tollway Authority No Kansas Turnpike Authority No Washington, DC DOT Yes Ohio Turnpike Commission No Iowa DOT No Response Charlotte DOT Yes William and Mary Campus Police No University of Oklahoma Police Department No University of Idaho No Response Maryland Transportation Authority Yes Mississippi DOT No South Carolina DOT No City of Vancouver Yes Alabama DOT No Oregon DOT No Response New Jersey DOT No Government of the Northwest Territories No Response Virginia DOT Yes Ministre des Transports -- Government of Quebec Yes Louisiana DOT No Illinois DOT Yes New York City DOT No Texas DOT Yes Assessment Question 19: Have you developed special methods or procedures for monitoring, evaluating, or reporting the performance of the following RLS characteristics?
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From page 98... ...
86 Iowa DOT No Response Charlotte DOT Level of Service Travel Time College of William and Mary Campus Police No Response University of Oklahoma Police Department No Response University of Idaho No Response Maryland Transportation Authority No Response Mississippi DOT No Response South Carolina DOT Speed City of Vancouver No Response Alabama DOT No Response Oregon DOT No Response Washington, DC DOT No Response New Jersey DOT Speed Flow Travel Time Queue Length Government of the Northwest Territories No Response Virginia DOT No Response Ministre des Transports -- Government of Quebec No Response Louisiana DOT No Response Illinois DOT No Response New York City DOT No Response Texas DOT No Response Assessment Question 20: Have you ever analyzed and documented the costs and/or benefits associated with the reverse-flow/contraflow operation? What were the important criteria for such a comparison?
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From page 99... ...
87 Oregon DOT No Response Washington, DC DOT Demand, travel time, accident performance, transit reliability, incident response/nonrecurring delay New Jersey DOT No Government of the Northwest Territories No Response Virginia DOT No Ministre des Transports -- Government of Quebec Cost benefit by avoiding new construction on the bridge (i.e., structural modification of the existing bridge) Louisiana DOT No Illinois DOT No Response New York City DOT No Response Texas DOT No Response Assessment Question 21: Have you ever used RLS in the past, but discontinued its use for any reason?
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From page 100... ...
88 Alabama DOT No Oregon DOT No Response Washington, DC DOT The RLS was an interim facility. New Jersey DOT No Government of the Northwest Territories No Response Virginia DOT No Ministre des Transports -- Government of Quebec No Louisiana DOT No Illinois DOT No Response New York City DOT No Response Texas DOT The roadway was reconstructed and the contraflow lane converted to a barrier-separated reversible HOV lane.
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From page 101... ...
89 Ministre des Transports -- Government of Quebec Roadway Construction Louisiana DOT Emergency Management Illinois DOT Planned Special Event Congestion Mitigation Roadway Construction Emergency Management Homeland Security Management New York City DOT No Response Texas DOT Emergency Management Congestion Mitigation Transit Performance Planning Question 23: Which of the following have you established as criteria that warrant its use? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works No Response Washington State DOT No Response Mississippi DOT Desired Queue Length North Texas Tollway Authority No Response Kansas Turnpike Authority Desired Flow Desired Queue Length Ohio Turnpike Commission Desired Queue Length Iowa DOT Desired Flow Charlotte DOT No Response College of William and Mary Campus Police Desired Flow University of Oklahoma Police Department Desired Flow University of Idaho Desired Level of Service Maryland Transportation Authority No Response Mississippi DOT Desired Flow South Carolina DOT Desired Travel Time City of Vancouver Desired Flow Desired Queue Length Alabama DOT Desired Flow Oregon DOT Desired Level of Service Desired Queue Length Washington, DC DOT No Response New Jersey DOT Desired Flow Desired Travel Time Government of the Northwest Territories Desired Level of Service Virginia DOT No Response Ministre des Transports -- Government of Quebec Desired Flow Desired Travel Time Desired Queue Length Louisiana DOT No Response Illinois DOT Desired Flow Desired Travel Time
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From page 102... ...
90 New York City DOT No Response Texas DOT No Response Planning Question 24: What guidelines or standards are you using to develop your plans? Agency Response City of Memphis, Engineering Division No Response Denver Department of Public Works MUTCD Washington State DOT No Response Mississippi DOT Used Alabama DOT I-65 Lane Reversal Plan as guide.
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From page 103... ...
91 Planning Question 25: Do you have any estimation for the flow rates for RLS? If so, how did you arrive upon your figures?
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From page 104... ...
92 Washington, DC DOT No Response Ohio Turnpike Commission No Response Iowa DOT No Response Charlotte DOT No Response College of William and Mary Campus Police No Response University of Oklahoma Police Department No Response University of Idaho No Response Maryland Transportation Authority Cost/benefit and safety; congestion vs. contraflow Mississippi DOT No Response South Carolina DOT Safety factor of reversing traffic flow on roads where guardrail and bridge ends are not protected in contraflow direction City of Vancouver No Response Alabama DOT No Response Oregon DOT Terminals -- entry/exit conflicts…automation New Jersey DOT NJ constantly reviews updates plans, which will include items needing further work.
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