Safety Analysis of Driveway Characteristics in South Carolina Using GIS

  • Posted on: Tue, 04/25/2017 - 14:41
  • By: fbroen
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The overall goal of this project is to enhance SCDOT’s current access management practices resulting in a reduction in crashes, injuries, and fatalities on South Carolina roadways as well as improved traffic flow. 

Findings & Conclusions

Florida's Access Management Review Committee Procedure

  • Posted on: Sun, 10/13/2013 - 22:18
  • By: shroedermay
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The Values We Used To Craft A Successful Review Process

  • Process should be consistent

  • Need to involve a multi-disciplinary management level team in each district

  • Communication between all parties is critical throughout the process

  • Florida DOT staff will use creativity and flexibility to resolve issues

 

Some Closing Thoughts

  • Look for solutions within your organization

  • We found a model process in one of our districts.

Design Exceptions and Deviations from Standards

  • Posted on: Sun, 10/13/2013 - 22:17
  • By: shroedermay
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Traffic Operational Analyses (TOA)

  • A TOA will be required for all development projects that are expected to generate 200 or more vehicle trips per day and for which a Traffic Impact Study (TIS) was not completed.

  • A TOA will be required for any development project for which changes in land use are intended after the completion of a TIS or TOA, if enough additional vehicle trips are being generated beyond those accounted for in the TIS or TOA, as determined by the County Coordinator.

Modifications for Private Access Approaches on Limited Access Facilities

  • Posted on: Sun, 10/13/2013 - 22:16
  • By: shroedermay
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Proposed Changes & Improvements

  • Use the county assessed value as the baseline value for calculating the difference vs. going through a costly and time consuming appraisal process.

  • Charge only a percentage of the determined value for changes to residential (less than 10 dwellings) and farm access.

  • Charge full amount of determined value for commercial, retail, etc…

  • Charge an administrative fee for processing requests.

A New Look at Driver Perception - Reaction Time at Driveways

  • Posted on: Fri, 08/30/2013 - 22:53
  • By: fbroen
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Oregon State University
AM1220Dixon

As part of the AMAG project, Karen Dixon used a driving simulator to study the driver perception - reaction time of drivers of different ages. 

Overview

  • Defining the Problem
  • Study Currently in Progress
  • Concluding Remarks

Next Steps

Access Management Sight Distance Applications

  • Posted on: Sat, 07/06/2013 - 19:38
  • By: fbroen
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Overview • Review of Sight Distance Components • Common Sight Distance Applications to Access Management • Sight Distance – What, When, and Where • Concluding Remarks Slide Titles Another Look at Sight Distance Applications for Access Management Overview Sight Distance Review of Candidate Sight Distances Basic SSD Assumptions Review of Candidate Sight Distances Basic DSD Assumptions Review of Candidate Sight Distances Common Applications That Consider Sight Distance for Access Management Looking at Stopping & Decision Sight Distance Assumptions Basic Questions Stopping Sight Distance fo

Access Connection Issues — Permitting versus Retrofit

  • Posted on: Sat, 07/06/2013 - 18:48
  • By: fbroen
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Access Management Regulations • Roadway Classification • Access Management Standards • Permitting Retrofit Projects • Cost is borne by the public • Benefits accrue to the public Conclusions • B/C criteria are applicable to retrofit projects • Warrants for permitting should be lower than for retrofit