Williams Gateway Freeway Preferred Alignment Report Final

Williams Gateway Freeway Alignment
Preferred Alignment Summary Report
and Environmental Overview Study March 2006
Table 5.1: Williams Gateway Freeway Alignment Study-Tier 3 Matrix
(continued)
Criteria
Alternative
Performance Measures 3 5 7 Measurement Approach
Natural Environment
(continued)
Species & habitats
Air quality
No Critical
Habitat.
Potential for 2
listed species
(CFPO, longnosed
bat) &
one candidate
species (Acuna
cactus). Likely
habitat for
several state
sensitive
species.
12,000
No Critical Habitat.
Potential for 2
listed species
(CFPO, longnosed
bat) & one
candidate species
(Acuna cactus).
Likely habitat for
several state
sensitive species.
11,800
No Critical Habitat.
Potential for 2
listed species
(CFPO, longnosed
bat) & one
candidate species
(Acuna cactus).
Likely habitat for
several state
sensitive species.
11,800
Estimated impact based on
existing documentation.
Future 2026 weekday hours of
delay on freeway mainline.
Source: MAG traffic model
output. Less delay = better air
quality.
17,800
17,100
16,200
Future weekday hours of
delay on arterials in area
bounded generally by US 60,
Hunt Hwy, Power Rd &
Meridian Rd. Source: MAG
traffic model output. Less
delay = better air quality.
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