Page 4 - lyonsdockweilerdeir081617

City of Santa Clarita August 2017

Figures Page
Figure 2-1 Project Location Map ....................................................................................................... 2-2
Figure 2-2 Photographs of the Project Site at Lyons Avenue, Views 1-4 ......................................... 2-4
Figure 2-3 Photographs of the Project Site at Lyons Avenue, Views 5-8 ......................................... 2-5
Figure 2-4 Photographs of the Project Site at 13th Street, Views 9-12 ............................................. 2-6
Figure 2-5 Zoning and Land Use Map of the Project Site and Surrounding Area ............................ 2-9
Figure 2-6 Old Town Newhall Specific Plan .................................................................................. 2-10
Figure 2-7 Photographs of Surrounding Land Uses at Lyons Avenue, Views 1-5 ......................... 2-12
Figure 2-8 Photographs of Surrounding Land Uses at 13th Street, Views 6-10 ............................. 2-13
Figure 2-9 Proposed Site Plan at Lyons Avenue ............................................................................. 2-15
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Figure 2-10 13 Street Crossing Closure ........................................................................................... 2-16
Figure 2-11 Option A - 5-Legged Intersection .................................................................................. 2-18
Figure 2-12 Option B – Traffic Circle ............................................................................................... 2-19
Figure 2-13 Option C - 3-Legged Intersection .................................................................................. 2-20
Figure 2-14 Proposed Dockweiler Drive Alignment and Grading Plan Profile ................................ 2-22
Figure 2-15 Proposed Grading Plan Profile and Cross Sections of the Railroad Crossing at
Lyons Avenue ................................................................................................................ 2-23
Figure 2-16 Proposed Grading Plan Profile and Cross Sections of the Railroad Crossing at
Railroad Avenue ........................................................................................................... 2-25
Figure 2-17 Lyons Avenue Street Widening - Proposed New Crossing ........................................... 2-26
Figure 2-18 Dockweiler Drive Study Area – Adjacent Properties Map ............................................ 2-27
Figure 4.1-1 Significant Ridgelines ................................................................................................... 4.1-3
Figure 4.1-2 Existing View of the Project Site, Views 1 through 5 .................................................. 4.1-4
Figure 4.1-3 Existing Views of the Project Site, Views 6 through 10 ............................................... 4.1-5
Figure 4.1-4 Old Town Newhall, Railroad Avenue and Lyons Avenue Visual Simulation ........... 4.1-11
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Figure 4.1-5 Race Street / 5 Street Terminus Visual Simulation .................................................. 4.1-12
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Figure 4.1-6 Placerita Canyon/12 Street / Arch Street Visual Simulation .................................... 4.1-13
Figure 4.2-1 SCAQMD Air Basin and Source Receptor Areas ........................................................ 4.2-2
Figure 4.2-2 Air Quality Sensitive Receptors Location Map .......................................................... 4.2-19
Figure 4.3-1 Project Location Map .................................................................................................... 4.3-2
Figure 4.3-2 Vegetation Communities .............................................................................................. 4.3-4
Figure 4.3-3 Vegetation Types and Jurisdiction Limits .................................................................. 4.3-12
Figure 4.4-1 Historic Resources Study Area ................................................................................... 4.4-12
Figure 4.5-1 Geological Overview Map ........................................................................................... 4.5-2
Figure 4.5-2 Geological Map, Plate 1 ................................................................................................ 4.5-4
Figure 4.5-3 Water Well Location Map ............................................................................................ 4.5-7
Figure 4.5-4 Fault and Earthquake Epicenter Location Map ............................................................ 4.5-9
Figure 4.5-5 Seismic Hazard Map ................................................................................................... 4.5-10
Figure 4.6-1 Topography and River Stationing ................................................................................. 4.6-8
Figure 4.6-2 Hydraulic Sections – Plan View ................................................................................. 4.6-10
Figure 4.6-3 Water Surface Profile – Existing Conditions .............................................................. 4.6-11
Figure 4.6-4 Water Surface Profile –Post Project Scenario ............................................................ 4.6-15

Lyons Avenue/Dockweiler Drive Extension Project Table of Contents
SCH No. 2013082016 Page ii