TRAFFIC IMPACT ANALYSIS (12/16/04)
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TRAFFIC IMPACT ANALYSIS
HIGH RIDGE
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LARGE SCALE COMPREHENSIVE PLAN AMENDMENT
Prepared For
New Urban Communities, Inc.
Prepared by
YVONNE ZIEL TRAFFIC CONSULTANTS, INC.
11440 86TH STREET NORTH
WEST PALM BEACH, FLORIDA 33412
September 30, 2004
Amended December 16, 2004
Yvonne Ziel, P.E.
FL. REG. # 42132
TABLE OF CONTENTS
Page
INTRODUCTION .................................................... . . . . . . . . . 1
TRAFFIC CIRCULATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
EXISTING CONDITIONS ................................................ 1
ASSURED CONSTRUCTION ............................................. 4
LONG RANGE ROADWAY PLANS ....................................... 4
BACKGROUND TRAFFIC ............................................... 4
TRIP GENERATION .................................................... 5
TRIP DISTRIBUTION ................................................... 5
PERFORMANCE STANDARDS ANALYSIS ................................ 9
Existing Traffic and Project Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Five Year Horizon ................................................. 9
2025 Projections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
APPENDIX A -GROWTH RATE CALCULATION
APPENDIX B - MPO 2025 TRAFFIC PROJECTIONS
LIST OF TABLES
TABLE TITLE PAGE
1 Existing (2003) Average Daily Traffic Conditions ............................... 3
2 Trip Generation Rates ..................................................... 6
3 Trip Generation - Existing FLUA ............................................ 6
4 Trip Generation - Proposed FLUA ........................................... 7
5 Trip Generation - Maximum FLUA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7
6 Existing Traffic with Project Traffic ADT Traffic Conditions with Proposed Use. . . . .. 10
7 Existing Traffic with Project Traffic ADT Traffic Conditions with Maximum FAR . . .. 10
8 Future (2008) Average Daily Traffic Conditions with Proposed Use. . . . . . . . . . . . . . .. 11
9 Future (2008) Average Daily Traffic Conditions with Maximum FAR .............. 11
10 Projected 2025 Traffic Conditions with Proposed Use ........................... 13
11 Projected 2025 Traffic Conditions with Maximum FAR ......................... 13
11
LIST OF FIGURES
FIGURES
TITLE
PAGE
Site Location ...................................................... 2
2 Project Trip Distribution ............................................. 8
3 Future (2008) Daily Traffic Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 12
4 Future (2025) Daily Traffic Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 14
111
INTRODUCTION
Yvonne Ziel Traffic Consultants, Inc. was retained to perform a Traffic Impact Analysis to assess the
impact ofa proposed land use amendment for a 18.438 acre site along the northwest comer of High
Ridge Road and Miner Road as shown in Figure 1. The Future Land Use Atlas (FLUA) designation
is RS (maximum 5 unit per acres); the highest and best use would be 69 single-family homes. The
proposed FLUA is for HDR (maximum 10.8 units per acres. Under the maximum allowable density
199 units would be allowed. The proposed FLUA is for 126 town homes and 48 single family units.
The site currently exists with a 12 stall horse/boarding training facility.
TRAFFIC CIRCULATION
EXISTING CONDITIONS
The major roadway adjacent to the property is High Ridge Road. Table I shows the existing (2003)
average daily traffic (ADT) conditions on the impact area roadways. The ADT volumes were obtained
from the Palm Beach County 2003 Peak Season data factored to ADT.
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TRAFFIC CONSULTANTS. INC.
TRAFFIC ENGINEERING & PlANNING
1144086 Slreet Norlh, West Palm Beech, Florida 33412
Telephone 561-624.7262 . FIX 561.624.9576
N.T.S.
12th Ave. South
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HIGH RIDGE
LARGE SCALE COMPREHENSIVE PLAN AMENDMENT
SITE LOCATION
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ASSURED CONSTRUCTION
The Florida department of Transportation and Palm Beach County Five Year Road program do not
include any roadway widening projects.
LONG RANGE ROADWAY PLANS
High Ridge Road is at its ultimate section.
BACKGROUND TRAFFIC
The Palm Beach County Urban Study Area Traffic Volume Growth Tables provided by the Palm
Beach County (PBC) Engineering Department, includes historical traffic count data for the roadways
within the impact area of the project. The growth rates for the roadways were determined from these
tables, averaged and then applied to the links to determine background traffic growth for five years
(2008). Appendix A contains a worksheet with the growth rate calculation. The 2025 volume was
obtained from the PBC Metropolitan Planning Organization and adjusted to ADT using the FDOT
Model Conversion Factor (MOCF) for Western Palm Beach County. Appendix B contains the raw
2025 MPO projections.
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TRIP GENERATION
Trip Generation, using the Institute of Transportation Engineers, Trip Generation 7th Edition for peak
and Palm Beach County rates for ADT, was performed to determine the trips generated by the existing
FLlJA and the proposed FLUA. For the horse stalls the rates from an independent study were lIsed.
Table 2 shows the trip generation rates used and Table 3 provides the trip generation under the
existing designation and for the existing use. Table 4 shows the trip generation for the proposed FLUA
and Table 5 the trip generation under the maximum FAR.
Using the proposed use, there would be an increase of672 daily trips, 47 AM and 55 PM peak trips.
With the maximum FAR, the project would generate an increase of 703 daily trips, 32 AM peak and
33 PM peak trips. Based on the trip generation, the impact area is the directly accessed link.
TRIP DISTRIBUTION
The trip distribution, with the increase in project traffic volumes and percent of project of capacity are
shown on Figure 2.
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5% Percent of Project Trips on Link
14 Number of Project Trips on Link
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YVONNE ZIEL
TRAFFIC CONSULTANTS, INC.
TRAFFIC ENGINEERING &. PlANNING
1144086 Street North, West Palm Beach, Florida 33412
Telephone 561.624.7262 - FOlX 561-624-9578
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FIGURE 2
HIGH RIDGE
LARGE SCALE COMPREHENSIVE PLAN AMENDMENT
PROJECT TRAFFIC DISTRIBUTION AND ASSIGNMENT
PERFORMANCE STANDARDS ANALYSIS
Existing Traffic and Proiect Traffic
Tables 6 and 7 show the ADT conditions when adding the proposed FLUA and maximum FLUA trips
to the existing traffic volumes.
With the proposed plan and maximum FLUA the directly accessed link meets the level of service
(LOS) standards.
Five Year Horizon
Tables 8 and 9 show the projected 2008 AOT volumes with the project trips, background growth, and
the performance standards analysis with the proposed FLUA and maximum FLUA. Figure 4 shows
ADT information with the traffic increase on a map.
With the proposed plan and maximum FLUA the directly accessed link meets the LOS standards.
2025 Proiections
Tables 10 and 11 show the 2025 ADT volumes obtained from the MPO with the increase in trips for
the proposed use and Maximum FAR. Figure 4 shows the same information on a map (maximum
FAR).
With the proposed plan and maximum FLUA the directly accessed link meets the LOS standards.
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= LEVEL OF SERVICE
= EXISTING 2003 TRAFFIC
= YEAR 2008 GROWTH
= PROJECT TRAFFIC
= TOTAL TRAFFIC
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8 . LI...el of SarA,.
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TRAFFIC CONSULTANTS. INC.
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Page 1 of 1
Main Identity
From:
To:
Sent:
Subject:
"Paul Larsen" <plarsen@co.palm-beach.fl.us>
<yztc@adelphia.net>
Thursday, September 30,20042:17 PM
Re: 2025 Volumes
09/30/2004
Yvonne,
The 2025 estimated volumes for this particular link is 8,000 vpd.
Paul
Paul Larsen, Planner II
Palm Beach Metropolitan
Planning Organization
160 Australian Ave - Suite 201
West Palm Beach, FL 33406
Ph 561-684-4170
Fx 561-233-5664
>>> "Yvonne liel" <yztc@adelphill.net> 9/30/2004 10:33:45 AM >>>
Paul:
Could you please provide me with a 2025 volume for High Ridge Road
north of Miner Road.
Thanks,
Yvonne
Yvonne liel
Yvonne Ziel Traffic Consultants, Inc.
11440 86 Street N
West Palm Beach, Florida 33412
Phone 561 624-7262
Fax 561 624-9578
9/30/~OO~
Jan 19 05 04:10p
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561 624 9578
p.2
INTRODUCTION
Yvonne Ziel Traffic Consultants, Inc. was retained to perform a Traffic Impact Analysis to assess the
impact of a proposed land use amendment for a 18.438 acre site along the northwest corner of High
Ridge Road and Miner Road as shown in Figure 1. The Future Land Use Atlas (FLUA) designation
is RS on 13.948 acres (maximum 5 unit per acres) and LR 2 on 4.49 acres; the highest and best use
would be 75 single-family homes. The proposed FLUA is for HDR (maximum 10.8 units per acres.
Under the maximum allowable density 199 units would be allowed. The proposed FLUA is for 126
town homes and 48 single family units.
The site currently exists with a 12 stall horse/boarding training facility.
TRAFFIC CIRCULATION
EXISTING <;ONDITIONS
The major roadway adjacent to the property is High Ridge Road. Table 1 shows the existing (2003)
average daily traffic (ADT) conditions on the impact area roadways. The ADT volumes were 0 btained
from the Palm Beach County 2003 Peak Season data factored to ADT.
Jan 19 05 04:1110
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561 624 9578
10.3
TRIP GENERATION
Trip Generation, using the Institute of Transportation Engineers, Trip Generation 7th Edition for peak
and Palm Beach County rates for ADT, was performed to determine the trips generated by the existing
FLUA and the proposed FLUA. For the horse stalls the rates from an independent study were used.
Table 2 shows the trip generation rates used and Table 3 provides the trip generation under the
existing designation and for the existing use. Table 4 shows the trip generation for the proposed FLU A
and Table 5 the trip generation under the maximum FAR.
Using the proposed use, there would be an increase of 612 daily trips, 43 AM and 49 PM peak trips.
With the maximum FAR, the project would generate an increase of 643 daily trips, 28 AM peak and
27 PM peak trips. Based on the trip generation, the impact area is the directly accessed link.
TRIP DISTRIBUTION
The trip distribution, with the increase in project traffic volumes and percent of project of capacity are
shown on Figure 2.
5
Jan 19 05 04:10p
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561 624 9578
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YVONNE ZIEL TRAFFIC CONSULTAi'lTS, INC.
1144086 STREET NORTII
WEST PALM BEACH, FLORIDA 33412
(56l) 624-7262
FAX. (561) 624-9518
FAX TRANSMITTAL
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FIGURE 4
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