Environmental assessment for NH002(110) north Reserve street control no. 2445

258 Pages·1996·12.1 MB·English

by  Montana. Dept. of Transportation

environmental
388.1 aesessnent ior
roeanr Mfa002(llU) north
1996 Rceosnetrrvoel snto*ree2t445 entalAssessment
lor NH0002I1WJ
North Reserve Street
2U5
ControlNo.
Preparesfor:
MontanaDepartment
ofTransportation
2701ProspectAve.
\\ Helena,Montana59620
Submittedby:
WGM
group,Inc.
3021PalmerSt,
Missoula,Montana59002
Preparation:
Carter Burgess
113WestFrontStreet Suite103
Missoula,Montana50002
W1
1406)721
August1900
MONTANASTATELIBRARY
3 0864 0009 9229
Environmental Assessment
for
NH 0002(110) STATE BCCUMENTS COLLECTION
North Reserve Street
13Q7
Control No. 2445 I
MONTANA STATE LIBRARY
in 1515 E. 6th AVE.
HELENA, MONTANA 59620
Missoula County
This document is prepared in conformancewith MEPArequirements and
containsthe information requiredforan Environmental Assessment underthe
provisions ofARM 18.2.237(2)(3) and 18.2.239. It is also prepared in
conformancewith NEPA requirementsforan Environmental Assessment under
23 CFR 771.119.
Submitted Pursuantto42 USC 4332(2)(c)
and Sections2-3-104, 75-1-201 M.C.A.
bythe
U.S. Department ofTransportation
Federal HighwayAdministration
and the
Montana Department ofTransportation
U^
zz iwt,
Submitted by: i/L. Date
lomtana Department ofTransportation
Environmental Services
Reviewed and Approved
for Distribution: Date: 8--?<-ft
Federal hfignway'Administration
Division Administrator
Thefollowing persons may be contacted foradditional information concerning
this document:
Joel M. Marshik, P.E. Janice W. Brown, Administrator
Manager- Environmental Services Region #8, Montana Division
Montana Department ofTransportation Federal HighwayAdministration
2701 ProspectAvenue 301 South Park, Drawer#10056
PO Box201001 Helena, Montana 59626-0056
Helena, MT 59620-1001
§pf
•!
! I

Environmental Assessment
for
NH0002(110)
North Reserve Street
Control No. 2445
Prepared for:
Montana Department of Transportation
2701 Prospect Avenue
Helena, Montana 59620
Submitted by:
WGM
group, Inc.
3021 Palmer Street
Missoula, Montana 59802
Prepared by:
Carter & Burgess, Inc.
113 West Front Street, Suite 103
Missoula, Montana 59802
406/721-1471
August 1996
Digitized by the Internet Archive
in 2012 with funding from
Montana State Library
http://archive.org/details/environmental5890mont
North Reserve Street
Environmental Assessment August 1996
Table of Contents
Page No.
RecipientsoftheEnvironmentalAssessment ES-1
Executive Summary ES-5
1.0 DescriptionofProposedAction 1-1
1.1 StudyAreaDescription 1-1
1.2 ExistingRoadDescription 1-1
1.3 PreferredAlternativeDescription 1-5
2.0 PurposeandNeedforAction 2-1
2.1 Overview 2-1
2.2 TrafficVolumesandCharacteristics 2-1
2.2.1 ExistingConditions 2-1
2.2.2 ProjectedConditions 2-3
2.2.2.1 IntersectionLevelofService 2-6
2.3 SystemContinuity 2-9
2.4 LocalAccess/Circulation 2-9
2.5 Accidents/Safety 2-11
2.5.1 ExistingConditions 2-10
2.5.2 ProjectedConditions 2-17
2.6 PopulationandEmploymentGrowth 2-19
2.7 RoadwayDeficiencies 2-21
3.0 AlternativesConsidered 3-1
3.1 AlternativesConsideredButNotAdvanced 3-1
3.1.1 RoadwayAlternatives 3-1
3.2 SpecialDesignElements 3-3
3.3 Interstate90Interchange 3-5
3.4 Cross-SectionalElements 3-10
3.5 AlternativesAdvanced 3-10
4.0 ExistingConditions,Impacts,andMitigationMeasures 4-1
4.1 LandUse,ZoningandLandUsePlanning 4-1
4.1.1 ExistingLandUse 4-1
4.1.2 Zoning 4-1
4.1.3 LandUsePlans 4-6
4.1.4 Impacts 4-8
4.2 Socioeconomic 4-9
4.2.1 ExistingConditions 4-9
4.2.1.1 Social '. 4-9
4.2.1.2 Economic 4-9
4.2.2 Impacts 4-12
4.2.2.1 Social 4-12
4.2.2.2 Economic 4-13
4.2.3 EnvironmentalJustice 4-14
1
North Reserve Street
Environmental Assessment August 1996
4.3 PedestriansandBicyclists 4-14
4.4 Transit 4-16
4.5 Right-of-Way 4-17
4.5.1 Impacts 4-17
4.5.2 Mitigation 4-20
4.6 ParksandRecreation 4-20
4.6.1 ExistingConditions 4-20
4.6.2 Impacts 4-21
4.7 AirQuality 4-21
4.7.1 ExistingConditions 4-21
4.7.2 Impacts 4-22
4.8 Noise 4-22
4.8.1 ExistingConditions 4-22
:
4.8.2 Impacts 4-27
4.8.3 Mitigation 4-28
4.9 WaterResources/Quality 4-28
4.9.1 ExistingConditions 4-28
4.9.2 Impacts 4-30
4.9.3 Mitigation 4-31
4.10 Wetlands 4-33
4.10.1 ExistingConditions 4-33
4.10.2 Impacts 4-33
4.10.3 PracticableAlternatives 4-35
4.10.4 Mitigation 4-35
4.1 Wildlife/ThreatenedandEndangeredSpecies 4-36
4.11.1 ExistingConditions 4-36
4.11.2 Impacts 4-38
4.11.3 Mitigation 4-39
4.12 Floodplains 4-39
4.12.1 ExistingConditions 4-39
4.12.2 Impacts 4-41
4.12.3 Mitigation 4-42
4.13 CulturalResources 4-42
4.13.1 ExistingConditions 4-42
4.13.2 Impacts 4-43
4.13.3 Mitigation 4-43
4.14 HazardousMaterials 4-43
4.14.1 ExistingConditions 4-43
4.14.2 Impacts 4-43
4.15 Visual 4-45
4.15.1 ExistingConditions 4-45
4.15.2 Impacts 4-47
4.15.3 Mitigation 4-48
North Reserve Street
Environmental Assessment August 1996
4.16 Farmland 4-48
4.16.1 ExistingConditions 4-48
4.16.2 Impacts 4-49
4.17 Construction 4-49
4.17.1 Impacts 4-49
4.17.2 Mitigation 4-50
4.18 CumulativeImpacts 4-52
5.0 CommentsandCoordination 5-1
5.1 PublicInvolvementActivities 5-1
5.1.1 General Public 5-2
5.1.2 CommunityOrganizations 5-3
5.1.3 AdjoiningLandowners 5-3
5.2RemainingPublicInvolvement 5-4
5.2.1 ContinuingLandownerMeetings 5-4
5.2.2 PublicHearing 5-4
5.2.3 MissoulaRegionalTransportation PlanUpdate (RTP) Coordination5-4
5.3 RemainingNational Environmental PolicyActTasks 5-4
5.4 ListofPreparers 5-5
5.5 ListofAgencieswithJurisdiction and/orPermitsRequired 5-6
5.6 ListofOtherAgencies,Persons, orGroupsContactedorHave
ContributedInformation 5-7
5.7 CooperatingAgencies 5-9
Appendix A: AgencyCoordination Letters
AppendixB: DetailedTraffic Analysis
AppendixC: Biological ResourceReport
1
North Reserve Street
Environmental Assessment August 1996
List of Figures
Figure No. Title Page No.
1-1 AreaMap 1-2
1-2 RegionalMap 1-3
1-3 PreferredAlternativeSections 1-6
2-1 RecentlyImprovedRoadways 2-2
2-2 LOS Definitions 2-4
2-3 Existing 1995 LOS 2-5
2-4 Design Year2018LOSforthe No-BuildAlternative 2-7
2-5 DesignYear2018LOSforthePreferredAlternative 2-8
2-6 1994& 1995TrafficAccidentLocations 2-12
3-1 1-90PreferredAlternativeWestShiftAlignment 3-9
4-1 ExistingLandUses 4-2
4-2 ExistingZoning 4-3
4-3 FutureLandUses 4-7
4-4 ReserveStreetCommunityFacilities 4-1
4-5 Right-of-WayImpacts 4-19
4-6 NoiseMonitoringLocations 4-24
4-7 SoundLevel Comparison 4-26
4-8 WetlandLocations 4-34
4-9 100-YearFloodplainBoundaries 4-40
4-10 Potential HazardousWaste 4-44