HomeMy WebLinkAbout20161221_CP 3 Meeting Packet_20141120CONCURRENCE POINT 3
LEAST ENVIRONMENTALLYDAMAGING PRACTICABLE ALTERNATIVE (LEDPA)
FOR
Proposed Improvements to NC 11 and US 13
From NC 11/NC 561 near Ahoskie to US 13 /US 158 /NC 45 near Winton
Hertford County
TIP Project R -5311
November 20, 2014
PURPOSE OF TODAY'S MEETING
The purpose of today's meeting is to select the preferred corridor for the project.
Impacts of and public comments on the four alternatives presented at the formal public
hearing will be discussed. Concurrence on the least environmentally damaging
practicable alternative (LEDPA) (Concurrence Point 3) will be requested. Additionally,
minimization efforts for each alternative will be presented.
PROJECT DESCRIPTION
Project R -5311 proposes to improve NC 11 and US 13 from just south of the
NC 11 intersection with NC 561 to the US 13 interchange with US 158 and NC 45. The
project length is approximately 7.8 miles.
According to the amended 2012 -2020 NCDOT State Transportation Improvement
Program, right -of -way acquisition for Section A (an interchange or superstreet
intersection at the existing intersection of NC 11 /SR 1212 (Shortcut Road) and
NC 11 /SR 1213 (Old NC 11 Road) is scheduled to begin in Fiscal Year (FY) 2015, and
construction is scheduled for FY 2016. Right -of -way acquisition and construction for
Section B (the remainder of the project from just south of the intersection of NC 11 and
NC 561 to the intersection of US 13/US 158/NC 45) are scheduled to begin in FY 2017
and FY 2019, respectively.
PROJECT PURPOSE
The purpose of the proposed project is to improve the safety of the NC I I/US 13
corridor between the NC ll/NC 561 intersection and the US 13/US 158/NC 45
intersection in Hertford County.
PROJECT STATUS AND HISTORY
The NEPA/404 Merger team has concurred on the following points:
• Concurrence Point 1 — Purpose and Need (September 14, 2011)
• Concurrence Point 2 — Detailed Study Alternatives Carried Forward (September 19, 2012)
• Concurrence Point 2A — Bridging Decisions and Alignment Review ( September 19, 2013)
Currently, four alternatives are still under consideration.
The federal Environmental Assessment for the project was completed in October
2013. A formal public hearing was held on June 9, 2014. The Finding of No
Significant Impact (FONSI) is scheduled to be completed in November 2014.
CURRENT STUDY ALTERNATIVES
Along with the No -Build alternative, a total of six alternatives have been
considered for this project. Four of the six (Alternatives 1, 3, 5, and 6) were studied in
detail and are still under consideration. These study detailed alternatives were presented
at the June 9, 2014 formal public hearing and are described below.
Alternative 1— Freeway (Part New Location)
This alternative proposes the upgrade of existing NC 11 and SR 1212 (Shortcut
Road) to a four -lane freeway from south of NC 561 to US 13. A four -lane roadway on
new location would be constructed between SR 1212 (Shortcut Road) at US 13 and
existing US 13 at its northern intersection with NC 461. Full control of access
(connections to the facility are only provided via ramps at interchanges) is proposed for
this new roadway. Existing US 13 would be upgraded to a four -lane freeway between the
northern intersection with NC 461 to south of US 158/NC 45 and interchanges would be
constructed at the intersections of NC 11 with NC 561 and NC 11 /SR 1212
(Shortcut Road) with NC 11. All other crossing roads would be grade separated or have
their access removed and turned into cul -de -sacs. Additional right of way would be
required to construct the new road segment east of existing US 13, between
US 13 /SR 1212 (Shortcut Road) and the northern US 13/NC 461 intersection.
Alternative 3 — Freeway/Expressway (Existing Location)
This alternative proposes the upgrade of existing NC 11 and SR 1212 (Shortcut
Road) to a four -lane freeway from south of NC 561 to US 13. The portion of US 13 from
SR 1212 (Shortcut Road) to NC 461 would be widened to four lanes with partial control
of access (one driveway per parcel). Existing US 13 would be upgraded to a four -lane
freeway between the northern intersection with NC 461 to south of US 158/NC 45.
Interchanges would be constructed at NC 11 and NC 561, NC 11 /SR 1212 (Shortcut
Road), and the northern US 13 intersection with NC 461.
Alternative 5 — Superstreet (Existing Location)
This alternative proposes the upgrade of NC 11, existing SR 1212 (Shortcut
Road), and existing US 13 to a four -lane roadway from south of NC 561 to south of
US 158/NC 45. Partial control of access would be obtained along existing US 13
between SR 1212 (Shortcut Road) and the northern intersection with NC 461. Although
an interchange would be constructed at the northern intersection of US 13 and NC 461, a
superstreet design would be utilized at the remaining intersections.
Alternative 6 — Superstreet (Part New Location)
This alternative proposes the upgrade of existing NC 11 and SR 1212 (Shortcut
Road) to a four -lane roadway from south of NC 561 to US 13. A four -lane roadway on
new location would be constructed between SR 1212 (Shortcut Road) at US 13 and the
northern intersection of US 13 at NC 461, which will become a grade separation. Full
control of access would be obtained for the new location portion of the project beyond
SR 1408 (Saluda Hall Road). Existing US 13 would be upgraded to a four -lane roadway
between NC 461 to south of US 158/NC 45. No interchanges would be constructed with
this alternative, but a superstreet design would be utilized at the NC 11/NC 561 and the
NC 11 /SR 1212 (Shortcut Road) intersections.
PROJECT PURPOSE
The formal public hearing for the project was held on June 9, 2014 at the Hertford
County High School in Ahoskie. Approximately 78 citizens attended the hearing.
Alternatives 1 and Alternative 6 were the most favored at the hearing. Seventeen
citizens preferred Alternative 1 and eleven citizens preferred Alternative 6. Alternatives
3 and 5 were the least favored, with eleven citizens expressing their dislike for each of
these alternatives.
The majority of citizens supported the project. Some of the concerns mentioned
were safety, community cohesion impacts, particularly along existing US 13, the
potential relocation of homes, impacts to historic properties, and possible noise impacts.
MINIMIZATION EFFORTS
Where practicable, design refinements were examined to reduce associated
wetland impacts with each current study alternative. For Alternatives 1 and 3,
preliminary alternatives proposed a full diamond interchange design, with room for
loops, at the intersections of NC 11/NC 561 and NC 11/NC 11. Minimization efforts
have reduced both interchanges to half - clover designs. For Alternatives 5 and 6,
preliminary alternatives proposed a dog -leg superstreet intersection at the intersection of
NC 11/NC 561. Minimization efforts have realigned the dogleg intersection design,
shifting it to the north. Wetland impact reductions resulting from minimization efforts
are listed in below in Table 1.
TABLE 1: MINIMIZATION BENEFITS TO WETLAND IMPACTS (in acres)
NC 11 /NC 561 Intersection
NC 11 /NC 11 Intersection
Alternative
Preliminary
Design
Minimization
Design
Reduction
Preliminary
Design
Minimization
Design
Reduction
Total
Reduction
Alt 1
14.3
4.9
9.4
54.0
31.5
22.5
31.9
Alt 3
14.3
4.9
9.4
54.0
31.5
22.5
31.9
Alt 5
n/a
n/a
n/a
2.0
0.5
1.5
1.5
Alt 6
n/a
n/a
n/a
1 2.0
0.5
1.5
1.5
NCDOT PREFERRED ALTERNATIVE
Alternative 1 has been identified as the preferred alternative by NCDOT because
it would best serve the project purpose and need. Alternative 1 would provide the
greatest safety benefit of the four alternatives studied. Table 2 below compares the
predicted reduction in crashes within the project limits for each alternative compared to
the no -build alternative.
TABLE 2: ALTERNATIVE SAFETY ANALYSIS COMPARISON
Due to the history of accidents at NC 11/NC 561 and NC 11 /11, Hertford County
and the Peanut Belt Organization passed resolutions in 2012 asking for safety concerns at
these intersections to be addressed. Various intersection improvements have been
implemented through the Department Spot Safety program to improve safety at the
intersections. Some of these included an added signal at NC 11/NC 561 (providing
marginal improvement), the addition of beacons with various configurations at NC 11 /11
(with unsuccessful results), and the eventual termination of the eastern leg (SR 1213) of
the NC 11/NC 11 intersection. This project (R -5311) was created to address the ongoing
safety concerns.
As the table above shows, Alternative 1 is predicted to result in the most
reduction in crashes.
Predicted Crash 0
Alternative
Description
From No -Build
Alternative 1
Freeway, part on new
o
52 /o decrease
location
Alternative 3
Freeway /expressway on
45% decrease
existing location
Alternative 5
Superstreet on existing
24% decrease
location (no interchanges)
Alternative 6
Superstreet, part on new
24% decrease
location (no interchanges)
Due to the history of accidents at NC 11/NC 561 and NC 11 /11, Hertford County
and the Peanut Belt Organization passed resolutions in 2012 asking for safety concerns at
these intersections to be addressed. Various intersection improvements have been
implemented through the Department Spot Safety program to improve safety at the
intersections. Some of these included an added signal at NC 11/NC 561 (providing
marginal improvement), the addition of beacons with various configurations at NC 11 /11
(with unsuccessful results), and the eventual termination of the eastern leg (SR 1213) of
the NC 11/NC 11 intersection. This project (R -5311) was created to address the ongoing
safety concerns.
As the table above shows, Alternative 1 is predicted to result in the most
reduction in crashes.
Alternative 1 ( NCDOT Preferred) in Comparison to Alternatives 3 and 5
Compared to Alternatives 3 and 5, Alternative 1 will have 53 fewer residential
relocations and will not affect any properties on or eligible for the National Register of
Historic Places. Alternative 1 will avoid impacts to the Pleasant Plains Baptist Church, a
major community gathering place which is eligible for listing on the National Register, as
well as the adjacent cemetery. Alternative 1 will also avoid the National Register - eligible
Pleasant Plains Rosenwald School. Alternatives 3 and 5 will have an adverse effect on
these historic properties. Additionally, Alternative 1 will have fewer noise impacts
(2 versus 26). Alternative 1 will affect more streams and wetlands than
Alternative 3 or 5. However, Alternative 3 is more expensive than Alternative 1 while
Alternative 5 is slightly less expensive than Alternative 1.
The predicted crash reduction benefits of Alternatives 3 and 5 are lower than
Alternative 1. While Alternative 1 predicts a 52% decrease in crashes, Alternative 3
predicts a 45% decrease and Alternative 5 a 24% decrease.
As noted previously, Alternatives 3 and 5 will both impact properties protected by
Section 4(f) of the USDOT Act of 1966, as amended. Section 4(f) stipulates publicly
owned land from a public park, recreation area, wildlife and waterfowl refuge, and all
historic sites of national, state, and local significance may be used for federal projects
only if. a) there is no feasible and prudent alternative to the use of the land; and b) the
project includes all possible planning to minimize harm to 4(f) lands resulting from such
use. Alternative 1 is a feasible and prudent alternative to either Alternative 3 or 5. A
statistical comparison of alternatives is available in Table 3.
Alternative 1 ( NCDOT Preferred) in Comparison to Alternative 6
Alternative 1 affects the same number of homes as Alternative 6, and both
alternatives avoid the historic resources. Alternative 1 has slightly less stream impacts
than Alternative 6. However, Alternative 1 does impact more non - riparian wetlands then
Alternative 6.
Despite greater wetland impacts, NCDOT prefers Alternative 1 over Alternative 6
because the full control of access facility proposed under Alternative 1 will lead to a
greater reduction in the number of predicted crashes than the superstreet facility proposed
under Alternative 6. Alternative 6 does not provide the same levels of collision reduction
and safety improvements as Alternative 1, particularly at key intersections. The predicted
crash reduction benefit of Alternative 6 is anticipated to be less than half as effective as
Alternative 1 (24% decrease versus 52% decrease).
Both Alternatives 1 and 6 are expected to reduce crashes by removing the
crossing movements from the NC 11/NC 11 and NC 11/NC 561 intersections. However,
the interchanges proposed under Alternative 1 provide the additional benefit of removing
left turning traffic. The superstreet design proposed under Alternative 6 still allows
vehicles to make left turns from the main road to the side roads. There is the potential for
a pattern of left turn, same roadway type crashes to develop at these locations as a result.
There is already a history of severe injury crashes, primarily resulting from drivers
choosing bad gaps at both of these intersections. A statistical comparison of alternatives
is available in Table 3.
Both of these intersections have had histories of severe injury and fatal crashes
over the years and a number of countermeasures have been implemented to address them.
The closure of the SR 1213 leg of the NC I I NC 11 intersection was an unusual (and
very unpopular locally) temporary fix for an accident problem until a permanent fix can
be accommodated. The NC 561 intersection has cantilevered overhead "Prepare to stop"
LED signs on the NC 11 approaches to that intersections. There are very few, if any,
intersections where a two -lane road crosses a two -lane road that such signs have been
installed. Innovative signal timing strategies were also implemented at this location to
extend the all -red phase to address red -light running issues. These countermeasures have
helped, but interchanges would provide the best long term assurances of safety at these
two intersections.
TABLE 3: ALTERNATIVE COMPARISONS
ALTERNATIVE
1
3
5
6
PREDICTED CRASH 0
52%
45%
24%
24%
FROM NO -BUILD
decrease
decrease
decrease
decrease
RESIDENTIAL
1
54
54
1
RELOCATEES
NON - RIPARIAN WETLANDS
114.4
71.8
44.3
80.1
AFFECTED (ACRES)*
STREAM IMPACTS (FEET)*
1,141
1,101
1,101
1,171
HISTORIC PROPERTIES
0
1
1
0
(ADVERSE EFFECT)
COMMUNITY FACILITIES
0
2
2
0
IMPACTED **
PRIME /IMPORTANT FARMLAND
90.5
110.7
88.3
66.9
IMPACTED (ACRES)
NOISE IMPACTS
2
26
26
1
COMMENTS FOR AT PUBLIC
17
0
0
11
HEARING
COMMENTS AGAINST AT PUBLIC
0
11
11
0
HEARING
TOTAL LENGTH
7.9
7.7
7.7
7.9
(MILES)
RIGHT OF WAY COST
$1.8
$15.5
$14.9
$1.2
(MILLIONS)
CONSTRUCTION COST
$64.6
$71.1
$54.0
$50.2
(MILLIONS)
WETLAND /STREAM MITIGATION
$5.8
$3.7
$2.3
$4.1
COST (MILLIONS)
UTILITY RELOCATION COST
$0.7
$1.0
$1.0
$0.7
(MILLIONS)
TOTAL COST
$72.9
$91.3
$72.2
$56.2
(MILLIONS)
Shaded cells in table indicate highest impact or most unfavorable response.
* Wetlands and streams have been field delineated and verified. Impacts include minimization efforts.
** Impacts to schools, parks, churches, fire stations, cemeteries, etc.
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from NC 11 /NC 561 near Ahoskie
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0 250 500 1,000
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from NC 11 /NC 561 near Ahoskie
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Alternative 5 and 6
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TIP Project Number R -5311
Historic Property - Eligible for National Register of Historic Places
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Parcel Boundary
from NC 11 /NC 561 near Ahoskie
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from NC 11 /NC 561 near Ahoskie
to US 13 /US 158/NC 45 near Winton
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Reduction of Interchange Design at NC 11 /NC 561 (Alts 1 and 3)
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Minimized Design — Half Clover
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Minimized Design — Half Clover
Reduction to wetland impacts: 22.5 acres
Avoidance and Minimization 4 AZCOM
Realignment of Superstreet Intersection at NC 1 1/NC 561 (Alts 5 and 6)
Preliminary Design — Dogleg Superstreet
Minimized Design — Realigned
Dogleg Superstreet
1131
Reduction to wetland impacts: 1.5 acres
NC1VNC561 Superstreet 1m
.. a110n - Mi.ii.ti-
Reduction to wetland impacts: 1.5 acres