Comprehensive Transportation Plan
Currituck County
May 2012
Table of Contents
Executive Summary …………………………………………………………...... i I. Analysis of the Existing and Future Transportation System ...... I-1 Analysis Methodology and Data Requirements ...... I-1 Roadway System Analysis ...... I-1 Traffic Crash Analysis ...... I-3 Bridge Deficiency Assessment ...... I-11 Public Transportation and Rail ...... I-11 Public Transportation ...... I-11 Rail ...... I-12 Bicycles and Pedestrians ...... I-12 Land Use ...... I-13 Consideration of the Natural and Human Environment ...... I-21 Public Involvement ...... I-25
II. Recommendations ...... II-1 Implementation ...... II-1 Problem Statements ...... II-2 Highway ...... II-2 Public Transportation and Rail ...... II-10 Bicycle ...... II-11 Pedestrian ...... II-12
Appendices
Appendix A: Resources and Contacts ...... A-1 Appendix B: Comprehensive Transportation Plan Definitions ...... B-1 Appendix C: CTP Inventory and Recommendations ...... C-1 Appendix D: Typical Cross-Sections ...... D-1 Appendix E: Level of Service Definitions ...... E-1 Appendix F: Traffic Crash Analysis ...... F-1 Appendix G: Bridge Deficiency Assessment ...... G-1 Appendix H: Public Involvement ...... H-1
List of Figures
Figure 1 Comprehensive Transportation Plan ...... ii Figure 2 Existing Roadway Deficiency ...... I-5 Figure 3 Future Roadway Deficiency ...... I-7 Figure 4 Crash Locations Map ...... I-9 Figure 5 Deficient Bridges ...... I-15 Figure 6 Existing Land Development Plan ...... I-17 Figure 7 Future Land Development Plan ...... I-19 Figure 8 Environmental Features ...... I-23 Figure 9 Typical Cross Sections ...... D-5 Figure 10 Level of Service Illustrations ...... E-2
List of Tables
Table 1 Environmental Features ...... I-21 Table 2 Restricted Environmental Features ...... I-22 Table 3 CTP Inventory and Recommendations ...... C-2 Table 4 Crash Locations ...... F-1 Table 5 Deficient Bridges ...... G-2
Executive Summary
In October of 2009, the Transportation Planning Branch of the North Carolina Department of Transportation and Currituck County initiated a study to cooperatively develop the Currituck County Comprehensive Transportation Plan (CTP). This is a long range multi-modal transportation plan that covers transportation needs through 2035. Modes of transportation evaluated as part of this plan include: highway, public transportation and rail, bicycle, and pedestrian. This plan does not cover standard bridge replacements, routine maintenance, or minor operations issues. Refer to Appendix A for contact information on these types of issues.
Findings of this CTP study were based on an analysis of the transportation system, environmental screening, and public input. Refer to Figure 1 for the CTP maps, which were mutually endorsed/adopted in 2011. Implementation of the plan is the responsibility of Currituck County and NCDOT. Refer to Chapter 2 for information on the implementation process.
This report documents the recommendations for improvements that are included in the Currituck County CTP. The major recommendations for improvements are listed below. More detailed information about these and other recommendations can be found in Chapter 2.
• R-2576: Construct Mid-Currituck Bridge across Currituck Sound connecting mainland Currituck County with Corolla.
• R-2574: Widen US 158 to a four-lane expressway from Camden County to the proposed Mid-Currituck Bridge.
• CURR0001-H: Improve US 158 to a four-lane divided boulevard from the proposed Mid-Currituck Bridge to Dare County.
• CURR0002-H: Improve NC 168 to a four-lane divided boulevard from Virginia to US 158.
• CURR0003-H: Construct a four-lane freeway on new location bypassing Moyock from NC 168 near Virginia to US 158, with interchanges at NC 168, South Mills Road (SR 1227/1218), NC 34 and US 158.
• CURR0001-T: Provide public transit on NC 12 along the Outer Banks portion in Currituck County.
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Adopted by: $ 12
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NCDOT ut158 Date: October 6, 2011 D A R E
C O U N Endorsed by: T Y
Albemarle RPO Date: August 24, 2011
Recommended by:
Transportation Planning Branch Date: September 15, 2011
T Y R R E L L C NOTES: O U N T Y
Legend Sheet 1 Adoption Sheet Miles 00.5 1 2 3 l Airport Sheet 2 Highway Map
County Boundary Sheet 3 Public Transportation and Rail Map k Schools µ Currituck County Sheet 4 Bicycle Map North Carolina Roads Figure 1 Sheet 5 Pedestrian Map Sheet 1 of 5 Comprehensive Railroads Base map date: August 2010 Transportation Plan
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Freeways Other Major Thoroughfares Existing Highway Map Existing Needs Improvement Miles Insets A - E Needs Improvement 00.2 0.4 0.8 1.2 1.6 Recommended Recommended Minor Thoroughfares Expressways Existing Existing Needs Improvement Needs Improvement Recommended Recommended µ .! Existing Interchange Currituck County Boulevards Figure 1 Proposed Interchange Existing .! Sheet 2A of 5 Comprehensive Needs Improvement (! Existing Grade Separation Base map date: August 2010 Transportation Plan Recommended (! Proposed Grade Separation Refer to CTP document for more details Ferry Route Plan date: June 30, 2011 VIRGINIA
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Bus Routes Rail Corridor (! Existing Grade Separation Public Transportation Existing Active Miles Proposed Grade Separation and Rail Map (! 00.5 1 2 3 Needs Improvement Inactive Recommended Recommended
Fixed Guideway High Speed Rail Corridor Intermodal Connector Existing Existing # Existing Needs Improvement µ Recommended *** Recommended Recommended Figure 1 Currituck County
Sheet 3 of 5 Comprehensive Operational Strategies Park and Ride Lot Rail Stops Existing Existing % Existing Base map date: August 2010 Transportation Plan Needs Improvement ,, Recommended Recommended Recommended Refer to CTP document for more details Plan date: June 30, 2011 VIRGINIA
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Refer to CTP document for more details Plan date: June 30, 2011
I. Analysis of the Existing and Future Transportation System
A Comprehensive Transportation Plan (CTP) is developed to ensure that the progressively developed transportation system will meet the needs of the region for the planning period. The CTP serves as an official guide to providing a well-coordinated, efficient, and economical transportation system for the future of the region. This document should be utilized by the local officials to ensure that planned transportation facilities reflect the needs of the public, while minimizing the disruption to local residents, businesses and environmental resources.
In order to develop a Comprehensive Transportation Plan (CTP), the following are considered: • Analysis of the transportation system, including any local and statewide initiatives; • Impacts to the natural and human environment, including natural resources, historic resources, homes, and businesses; • Public input, including community vision and goals and objectives.
Analysis Methodology and Data Requirements Reliable forecasts of future travel patterns must be estimated in order to analyze the ability of the transportation system to meet future travel demand. These forecasts depend on careful analysis of the character and intensity of existing and future land use and travel patterns.
An analysis of the transportation system looks at both current and future travel patterns and identifies existing and anticipated deficiencies. This is usually accomplished through a capacity deficiency analysis, a traffic crash analysis, and a system deficiency analysis. This information, along with population growth, economic development potential, and land use trends, is used to determine the potential impacts on the future transportation system.
Roadway System Analysis An important stage in the development of a CTP is the analysis of the existing transportation system and its ability to serve the area’s travel desires. Emphasis is placed not only on detecting the existing deficiencies, but also on understanding the causes of these deficiencies. Roadway deficiencies may result from inadequacies such as pavement widths, intersection geometry, and intersection controls; or system problems, such as the need to construct missing travel links, bypass routes, loop facilities, additional radial routes or infrastructure improvements to meet statewide initiatives.
One of those statewide initiatives is the Strategic Highway Corridor (SHC) Vision Plan adopted by the Board of Transportation on September 2, 2004. The SHC Vision Plan
I-1
represents a timely initiative to protect and maximize the mobility and connectivity on a core set of highway corridors throughout North Carolina, while promoting environmental stewardship through maximizing the use of existing facilities to the extent possible, and fostering economic prosperity through the quick and efficient movement of people and goods.
The primary purpose of the SHC Vision Plan is to provide a network of high-speed, safe, reliable highways throughout North Carolina. The primary goal to support this purpose is to create a greater consensus towards the development of a genuine vision for each corridor – specifically towards the identification of a desired facility type (Freeway, Expressway, Boulevard, or Thoroughfare). Individual comprehensive transportation plans shall incorporate the long-term vision of each corridor. Refer to Appendix A for contact information.
In the development of this plan, travel demand was projected from 2009 to 2035 using a trend line analysis based on Annual Average Daily Traffic (AADT) from 1991 to 2009. In addition, local land use plans and growth expectations were used to further refine future growth rates and patterns.
Existing and future travel demand is compared to existing roadway capacities. Capacity deficiencies occur when the traffic volume of a roadway exceeds the roadway’s capacity. Roadways are considered near capacity when the traffic volume is at least eighty percent of the capacity. Refer to Figures 2 and 3 for existing and future capacity deficiencies.
Capacity is the maximum number of vehicles which have a “reasonable expectation” of passing over a given section of roadway, during a given time period under prevailing roadway and traffic conditions. Many factors contribute to the capacity of a roadway including the following:
• Geometry of the road (including number of lanes), horizontal and vertical alignment, and proximity of perceived obstructions to safe travel along the road;
• Typical users of the road, such as commuters, recreational travelers, and truck traffic;
• Access control, including streets and driveways, or lack thereof, along the roadway;
• Development along the road, including residential, commercial, agricultural, and industrial developments;
• Number of traffic signals along the route;
• Peaking characteristics of the traffic on the road;
• Characteristics of side-roads feeding into the road; and
• Directional split of traffic or the percentages of vehicles traveling in each direction along a road at any given time.
I-2
The relationship of travel demand compared to the roadway capacity determines the level of service (LOS) of a roadway. Six levels of service identify the range of possible conditions. Designations range from LOS A, which represents the best operating conditions, to LOS F, which represents the worst operating conditions.
LOS D indicates “practical capacity” of a roadway, or the capacity at which the public begins to express dissatisfaction. The practical capacity for each roadway was developed based on the 2000 Highway Capacity Manual using the NCLOS program. Recommended improvements and overall design of the transportation plan were based upon achieving a minimum LOS D on existing facilities and a LOS C for new facilities. Refer to Appendix E for detailed information on LOS.
Traffic Crash Analysis Traffic crashes are often used as an indicator for locating congestion and roadway problems. Crash patterns obtained from an analysis of crash data can lead to the identification of improvements that will reduce the number of crashes. A crash analysis was performed for the Currituck County CTP for crashes occurring in the planning area between January 1, 2007 and December 31, 2009. During this period, a total of five intersections were identified as having a high number of crashes as illustrated in Figure 6. Refer to Appendix F for a detailed crash analysis.
Bridge Deficiency Assessment Bridges are a vital and unique element of a highway system. First, they represent the highest unit investment of all elements of the system. Second, any inadequacy or deficiency in a bridge reduces the value of the total investment. Third, a bridge presents the greatest opportunity of all potential highway failures for disruption of community welfare. Finally, and most importantly, a bridge represents the greatest opportunity of all highway failures for loss of life. For these reasons, it is imperative that bridges be constructed to the same design standards as the system of which they are a part.
The NCDOT Structures Management Unit inspects all bridges in North Carolina at least once every two years. Bridges having the highest priority are replaced as Federal and State funds become available. Five deficient bridges were identified within the planning area and are illustrated in Figure 5. Refer to Appendix G for more detailed information.
I-3
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Legend 2009 Volumes and Miles Capacity Deficiencies l Airports Under Capacity (0.00 - 0.79) 00.5 1 2 3
k Schools Near Capacity (0.80 - 0.99) County Boundary Over Capacity (1.00 - 1.49) µ Rail XXXX 2009 Volumes (AADT) XXXX 2009 Capacities Figure 2 Currituck County
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