Final Mitigated Negative Declaration and Response to Comments

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XVI. TRANSPORTATION/TRAFFIC. ENVIRONMENTAL SETTING The Lake Tahoe Basin is located on the California-Nevada border in the Sierra Nevada Mountains. Principle access to the Lake Tahoe Basin is by vehicle via Interstate 80, by U.S. Highways 50 and 395, and by State Routes 28, 89, and 267. Driving time from Sacramento is approximately two hours under favorable driving conditions. Winter storm events and occasional landslides can close highways or contribute to significant driving delays. State Route 89 on the edge of Emerald Bay State Park (SP) frequently closes during adverse winter weather due to snow avalanche danger. Major bus lines and railroad stations are located in Truckee and South Lake Tahoe. There are no direct commercial airline flights into the Lake Tahoe Basin. The predominant mode of transportation used in the Lake Tahoe Basin is private vehicle (TRPA 2006). In the summer, there is considerable private vehicle traffic on the highways around the lake and at times traffic can become congested on these roads. The Tahoe Interregional/ Intraregional Transit Study Final Report (TRPA 2006) studied strategies to expand on surface (bus, rail, or waterborne) public transportation network connecting the North and South Shores, and connecting the Tahoe Region to nearby urban areas. Streets and Highways State Routes 28 and 89 and U.S. Highway 50 encompass the perimeter of Lake Tahoe. These main travel corridors can experience high traffic volume from private vehicles during portions of the year. Road Traffic and Level of Service Level of Service (LOS) measures how the route operates during peak hour traffic. LOS summarizes the effects of speed, travel time, traffic interruptions, freedom to maneuver and other factors. The performance of the county roads and highways is evaluated based on LOS definitions. Six levels of service represent varying roadway conditions ranging from ideal (LOS "A") to forced flow (LOS "F"). The areas of congestion are the intersections of Highway 50 and Highway 89 in South Lake Tahoe and in Tahoe City at the intersection of Highway 89 and Highway 28. Level Of Service (LOS) A B C Description of Typical Traffic Conditions Delay Service Rating Highest quality of service. Free traffic flow, low None Excellent volumes and densities. Little or no restriction on maneuverability or speed, and a high level or comfort and convenience. Stable traffic flow – speed becoming slightly None Very Good restricted; the presence of others in the traffic stream begins to be noticeable. Low resistance on maneuverability. Stable traffic flow, but less freedom to select Minimal Good speed, change lanes or pass. Comfort and 68 Asian Clam Control Project IS/MND Emerald Bay State Park California Department of Parks and Recreation
D E F convenience decreasing as density increases. Approaching unstable flow. Speeds tolerable, but subject to sudden and considerable variation. Reduced maneuverability, driver comfort and convenience. Unstable traffic flow with rapidly fluctuating speeds and flow rates. Short headways, low maneuverability and low driver comfort and convenience. Forced traffic flow. Speed and flow may drop to zero with high densities. Queues tend to form behind such locations since arrival flow exceed traffic discharges. Minimal Significant Considerable Adequate Fair Poor Bicycle Traffic The Lake Tahoe Regional Bicycle and Pedestrian Master Plan was developed in 2003 by the Tahoe Metropolitan Planning Organization. This plan provides a “blueprint for developing a regional bicycle and pedestrian system that includes both on-street and off-street facilities as well as support facilities and programs throughout the Lake Tahoe region”. Air Traffic Within the Lake Tahoe Basin, the Lake Tahoe Airport is the only airport that serves primarily the south shore of the lake. The Lake Tahoe Airport is owned and operated by the City of South Lake Tahoe, California. This small airport has a single runway and is for public use. The Lake Tahoe Airport is located approximately three air miles southwest of the downtown area of the City of South Lake Tahoe. Other airports that also serve the Lake Tahoe Basin include the Truckee Tahoe Airport (corporate and private planes) in Truckee, California and the Reno/Tahoe International Airport in Reno, Nevada. Rail Traffic Passenger: Rail service is limited to one daily Amtrak California Zephyr stop in each direction in Truckee, California. Amtrak Thruway Motorcoach service is provided to both Truckee and South Lake Tahoe for passengers connecting with the Capital Corridor rail service in Sacramento (TRPA 2006). Freight: Private companies, primarily the Union Pacific Railroad (UP) and the Burlington Northern Santa Fe (BNSF) railroad provide long distance freight movement of goods. Bus Transportation The Lake Tahoe Basin can be reached by bus service. Greyhound intercity bus service is provided along the Interstate 80 with a stop in Truckee (TRPA 2006). Casinos on the Nevada side often offer discount bus travel to gaming centers. Within the Lake Tahoe Basin, there are several local bus operators serving regions of the Basin. The Tahoe Area Regional Transit (TART) serves the Truckee, northwest and northern region of Lake Tahoe. BlueGo serves primarily the City of South Lake Tahoe. There are various seasonal “Trolleys” that travel to highly visited locations, including Emerald Bay SP, and their schedules supplement the regional bus schedules. Asian Clam Control Project IS/MND Emerald Bay State Park California Department of Parks and Recreation 69
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FINAL MITIGATED NEGATIVE DECLARATIO
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2009. Initial surveys estimated thi
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Emerald Bay will require traffic co
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7 Asian Clam Control Project Final
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LAHONTAN REGIONAL WATER QUALITY CON
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the infestation is 600 feet. The ba
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More detail on the range of lake bo
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The MND states that there will be n
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arriers have not been secured with
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INITIAL STUDY MITIGATED NEGATIVE DE
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Pursuant to Section 21082.1 of the
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CHAPTER 1 INTRODUCTION 1.1 INTRODUC
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This chapter provides a list of tho
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The invasion and establishment of A
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the edges of the rubber sheets for
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2.10 DISCRETIONARY APPROVALS DPR re
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1. ENVIRONMENTAL FACTORS POTENTIALL
Page 43 and 44: and receives approval from the Cali
Page 45 and 46: DISCUSSION a-e) As noted in the Env
Page 47 and 48: for six criteria pollutants after t
Page 49 and 50: IV. BIOLOGICAL RESOURCES. ENVIRONME
Page 51 and 52: Water Plant Community are not expec
Page 53 and 54: (Helisoma newberryi) creeks. Lake T
Page 55 and 56: mouth of Emerald Bay. Creating nois
Page 57 and 58: ecosystems as wetlands, meadows, an
Page 59 and 60: V. CULTURAL RESOURCES. ENVIRONMENTA
Page 61 and 62: and prolonged droughts (Lindström
Page 63 and 64: Roads expanded and upgraded the roa
Page 65 and 66: CALIFORNIA ENVIRONMENTAL QUALITY AC
Page 67 and 68: esources in consultation with the O
Page 69 and 70: Liquefaction and Landslide Hazards
Page 71 and 72: would not increase as a result of t
Page 73 and 74: • Carbon Dioxide - The natural pr
Page 75 and 76: VIII. HAZARDS AND HAZARDOUS MATERIA
Page 77 and 78: emergencies and activities would al
Page 79 and 80: WOULD THE PROJECT: a) Violate any w
Page 81 and 82: Mitigation Measure Hydro-1: Water Q
Page 83 and 84: DISCUSSION a) The proposed project
Page 85 and 86: XII. NOISE. ENVIRONMENTAL SETTING T
Page 87 and 88: DISCUSSION a) Project activities re
Page 89 and 90: DISCUSSION a-c) The project does no
Page 91 and 92: WOULD THE PROJECT: a) Result in sig
Page 93: implemented to inform the public, s
Page 97 and 98: c) This project will not will not i
Page 99 and 100: significant environmental effects?
Page 101 and 102: d) Most project-related environment
Page 103 and 104: GREENHOUSE GAS EMISSIONS No project
Page 105 and 106: CHAPTER 6 REFERENCES Chapter 2 Univ
Page 107 and 108: Cultural Resources Barrett, S. A.,
Page 109 and 110: Murphy and C.M. Knopp. Report prepa
Page 111 and 112: Tahoe Regional Planning Agency (TRP
Page 113 and 114: Report Preparation CALIFORNIA DEPAR
Page 115 and 116: APPENDIX B SENSITIVE SPECIES LIST _
Page 117 and 118: Martes pennanti o fisher (C) Plants
Page 119 and 120: If a Federal agency is involved wit
Page 121 and 122: APPENDIX C ACRONYMS _______________
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Final Mitigated Negative Declaration and Response to Comments

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