facilities renewal master plan - National Zoo - Smithsonian Institution

FACILITIES MASTER PLAN ENVIRONMENTAL ASSESSMENT
C.3 Demographics..................................................................................................... 89
C.4 Environmental Justice ........................................................................................ 92
C.5 Community Facilities and Services .................................................................... 93
C.6 Infrastructure ...................................................................................................... 93
C.7 Visitor Use and Experience ................................................................................ 95
C.8 Traffic/Transportation/Parking......................................................................... 102
D. Cumulative Effects............................................................................................... 107
IV. REFERENCES ................................................................................................... 109
V. LIST OF PREPARERS ..................................................................................... 113
VI. DISTRIBUTION LIST ...................................................................................... 115
LIST OF FIGURES
Figure 1. Location Map....................................................................................................... 4
Figure 2. Urban Park Concept .......................................................................................... 16
Figure 3. Peninsula Concept ............................................................................................. 17
Figure 4. The No-Action Alternative ................................................................................ 21
Figure 5. Alternative A ..................................................................................................... 24
Figure 6. Alternative B ..................................................................................................... 26
Figure 7. Alternative C ..................................................................................................... 30
Figure 8. Connecticut Avenue Entry Concept .................................................................. 31
Figure 9. Mid-Point Entry Concept .................................................................................. 31
Figure 10. Harvard Street Bridge/Beach Drive Entry Concept ........................................ 32
Figure 11. Beaver Valley Exhibits .................................................................................... 33
Figure 12. North Road Tram Concept .............................................................................. 34
Figure 13. Aerial Tram Concept ....................................................................................... 34
Figure 14. Water Resources .............................................................................................. 54
Figure 15. Cultural Resources........................................................................................... 70
Figure 16. Visual Resources Photo Locations .................................................................. 83
Figure 17. Existing Land Use ........................................................................................... 87
Figure 18. Existing Zoning Map ....................................................................................... 88
Figure 19. Annual Attendance .......................................................................................... 96
Figure 20. Peak Period Visitor Distribution by Activity Type ......................................... 96
Figure 21. Existing Slopes at the National Zoo ................................................................ 97
Figure 22: Internal Transportation Map .......................................................................... 102
Figure 23. Parking Areas for the National Zoo ............................................................... 103
LIST OF TABLES
Table 1. Comparison of Alternatives ................................................................................ 38
Table 2. Common Noise Sources and Their Sound Levels .............................................. 59
Table 3. Noise Abatement Thresholds .............................................................................. 60
Table 4. Site Area Demographics ..................................................................................... 91
Table 5. Existing 2006 Intersection Operations at Peak Levels of Service .................... 104
SMITHSONIAN INSTITUTION – NATIONAL ZOOLOGICAL PARK ii | P a g e