Job Name, Job #, Date

City of AuroraENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OFENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OF

6TH AVENUE PARKWAY EXTENSION6TH AVENUE PARKWAY EXTENSION

(SH30 TO E-470)(SH30 TO E-470)

14-046 12/3/14

NORTH

Sand Creek

Murphy Creek

Coal Creek

1Triple Creek Greenway Corridor (TCGC) includes the ecosystem elements associated with the existing creeks/streams within the corridor such as:

the natural habitat including wetlands, Sand Creek riparian corridor, migratory bird habitat, wildlife corridors, and recreation opportunities.

1

Provides additional access and circulation for properties

along the alignment

Provides access to planned and potential development

within the study area and to potential economic activity

centers

Requires one short bridge span crossing of the floodway

Minimizes impacts to the TCGC1 due to crossing at a narrow

section of the creek

Adds delay to motorists and

life/safety response due to a

"T" Intersection at

6th Pkwy.

Impacts several properties

requiring mitigation and

leaves undevelopable

portions of the property

Impacts parks and trail

properties

Potential noise impacts to

residents and trail users

PROS CONS

The western portion of this alternative is recommended to moveforward for further analysis

ALTERNATIVE ALIGNMENT 1

LEGEND

Study Area Limits

Parks, Recreation,and Open Space

Coal Creek Arena

Bridge Structure

Floodway

Floodplain

Noise SensitiveAreas

6th Ave.

Pica

dilly

Rd.

Tow

er R

d.As

pen

St.

Gun

Club

Rd.

6th Pkwy.

Bayaud Ave.

Valda

i St.

Alameda Ave.Buckley

Air Force Base

30

Alternative 1

Job Name, Job #, Date

City of AuroraENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OFENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OF

6TH AVENUE PARKWAY EXTENSION6TH AVENUE PARKWAY EXTENSION

(SH30 TO E-470)(SH30 TO E-470)

14-046 12/3/14

NORTH

Sand Creek

Murphy Creek

Coal Creek

2

1Triple Creek Greenway Corridor (TCGC) includes the ecosystem elements associated with the existing creeks/streams within the corridor such as:

the natural habitat including wetlands, Sand Creek riparian corridor, migratory bird habitat, wildlife corridors, and recreation opportunities.

Reduces delay to motorists and life/safety response due to

direct connection at 6th Pkwy.

Provides additional access and circulation for private

properties along the alignment

Provides access to planned and potential development

within the study area

Provides access to potential economic activity centers

Requires one short bridge span crossing of the floodway

Minimizes impacts to private properties and leaves minimal

undevelopable portions of the property

Minimizes impacts to the floodplain and floodway with a

short bridge span crossing

Minimizes impacts to the TCGC1 due to crossing at a narrow

section of the creek

Impacts parks and trail

properties

Noise impacts to residents

and trail users

PROS CONS

This alternative is recommended for advancementand/or further study

ALTERNATIVE ALIGNMENT 2

LEGEND

Study Area Limits

Parks, Recreation,and Open Space

Coal Creek Arena

Bridge Structure

Floodway

Floodplain

Noise SensitiveAreas

6th Ave.

Pica

dilly

Rd.

Tow

er R

d.As

pen

St.

Gun

Club

Rd.

6th Pkwy.

Bayaud Ave.

Valda

i St.

Alameda Ave.Buckley

Air Force Base

30

Alternative 2

Job Name, Job #, Date

City of AuroraENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OFENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OF

6TH AVENUE PARKWAY EXTENSION6TH AVENUE PARKWAY EXTENSION

(SH30 TO E-470)(SH30 TO E-470)

14-046 12/3/14

NORTH

Sand Creek

Murphy Creek

Coal Creek

1Triple Creek Greenway Corridor (TCGC) includes the ecosystem elements associated with the existing creeks/streams within the corridor such as:

the natural habitat including wetlands, Sand Creek riparian corridor, migratory bird habitat, wildlife corridors, and recreation opportunities.

3

Reduces delay to motorists and life/safety response due to

direct connection at 6th Pkwy.

Provides additional access and circulation for properties

along the alignment

Provides access to planned and potential development

within the study area and to potential economic activity

centers

Minimizes impacts to properties requiring minimal

mitigation and leaves minimal undevelopable portions of

the property

Requires one long bridge

span crossing the floodway

Impacts floodplain,

floodway and the TCGC1 due

to a long bridge span

Impacts parks and trail

properties

Potential noise impacts to

residents and trail users

PROS CONS

This alternative is recommended for advancementand/or further study

ALTERNATIVE ALIGNMENT 3

LEGEND

Study Area Limits

Parks, Recreation,and Open Space

Coal Creek Arena

Bridge Structure

Floodway

Floodplain

Noise SensitiveAreas

6th Ave.

Pica

dilly

Rd.

Tow

er R

d.As

pen

St.

Gun

Club

Rd.

6th Pkwy.

Bayaud Ave.

Valda

i St.

Alameda Ave.Buckley

Air Force Base

30

Alternative 3

Job Name, Job #, Date

City of AuroraENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OFENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OF

6TH AVENUE PARKWAY EXTENSION6TH AVENUE PARKWAY EXTENSION

(SH30 TO E-470)(SH30 TO E-470)

14-046 12/3/14

NORTH

Sand Creek

Murphy Creek

Coal Creek

1Triple Creek Greenway Corridor (TCGC) includes the ecosystem elements associated with the existing creeks/streams within the corridor such as:

the natural habitat including wetlands, Sand Creek riparian corridor, migratory bird habitat, wildlife corridors, and recreation opportunities.

4

Reduces delay to motorists and life/safety response due to

direct connection at 6th Pkwy.

Provides additional access and circulation for properties

along the alignment

Provides access to planned and potential development

within the study area and to potential economic activity

centers

The alignment crosses a narrow section of the floodway

Minimizes impacts to properties and leaves minimal

undevelopable portions of the property

Minimizes potential noise impacts to residents and trail

users

Requires crossing a wide

section of the floodplain

Potential impacts to the

floodplain and to the TCGC1

due to a crossing of the

creek

Impacts parks and trail

properties

PROS CONS

This alternative is recommended for advancementand/or further study

ALTERNATIVE ALIGNMENT 4

LEGEND

Study Area Limits

Parks, Recreation,and Open Space

Coal Creek Arena

Bridge Structure

Floodway

Floodplain

Noise SensitiveAreas

6th Ave.

Pica

dilly

Rd.

Tow

er R

d.As

pen

St.

Gun

Club

Rd.

6th Pkwy.

Bayaud Ave.

Valda

i St.

Alameda Ave.Buckley

Air Force Base

30

Alternative 4

Job Name, Job #, Date

City of AuroraENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OFENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OF

6TH AVENUE PARKWAY EXTENSION6TH AVENUE PARKWAY EXTENSION

(SH30 TO E-470)(SH30 TO E-470)

14-046 12/3/14

NORTH

Sand Creek

Murphy Creek

Coal Creek

1Triple Creek Greenway Corridor (TCGC) includes the ecosystem elements associated with the existing creeks/streams within the corridor such as:

the natural habitat including wetlands, Sand Creek riparian corridor, migratory bird habitat, wildlife corridors, and recreation opportunities.

5

Reduces delay to motorists and

life/safety response due to direct

connection at 6th Pkwy.

Minimizes impacts to properties

requiring minimal mitigation and

leaves minimal undevelopable

portions of the property

Avoids impacts to parks and trails

Minimizes potential noise impacts to

residents and trail users

Requires substantial improvements to Picadilly Rd.

due to the floodway and requires improvements at

the intersections of SH 30 and Valdai St./6th Pkwy.

Limits access to properties along the alignment

since most of the alignment will be on bridge

structure

Limits access to planned and potential

development within the study area due to most of

alignment will be on bridge structure

Requires one very long bridge span crossing of the

floodway

Severely impacts the floodplain and floodway due

to a very long bridge span crossing

Substantial impacts to the TCGC1 due to crossing at

a very wide section of the creek

PROS CONS

ALTERNATIVE ALIGNMENT 5

This alternative is recommended for removal from furtheradvancement and/or study

LEGEND

Study Area Limits

Parks, Recreation,and Open Space

Coal Creek Arena

Bridge Structure

Floodway

Floodplain

Noise SensitiveAreas

6th Ave.

Pica

dilly

Rd.

Tow

er R

d.As

pen

St.

Gun

Club

Rd.

6th Pkwy.

Bayaud Ave.

Valda

i St.

Alameda Ave.Buckley

Air Force Base

30

Alternative 5

Job Name, Job #, Date

City of AuroraENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OFENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OF

6TH AVENUE PARKWAY EXTENSION6TH AVENUE PARKWAY EXTENSION

(SH30 TO E-470)(SH30 TO E-470)

14-046 12/3/14

NORTH

Sand Creek

Murphy Creek

Coal Creek

1Triple Creek Greenway Corridor (TCGC) includes the ecosystem elements associated with the existing creeks/streams within the corridor such as:

the natural habitat including wetlands, Sand Creek riparian corridor, migratory bird habitat, wildlife corridors, and recreation opportunities.

6

Provides additional access and circulation

for properties along the alignment

Avoids impacts to parks and trails

Adds delay to motorists and life/safety

response due to "T" Intersection at

6th Pkwy.

Provides minimum benefit since most of the

adjacent land is already developed

Requires two short span bridge crossings

Impacts several properties requiring

mitigation and leaves undevelopable

portions of the property

Potential impacts to the floodplain and

floodway due to two short bridge crossings

Potential impacts to the TCGC1 due to two

creek crossings

Potential noise impacts to residents

PROS CONS

ALTERNATIVE ALIGNMENT 6

This alternative is recommended for removal from furtheradvancement and/or study

LEGEND

Study Area Limits

Parks, Recreation,and Open Space

Coal Creek Arena

Bridge Structure

Floodway

Floodplain

Noise SensitiveAreas

6th Ave.

Pica

dilly

Rd.

Tow

er R

d.As

pen

St.

Gun

Club

Rd.

6th Pkwy.

Bayaud Ave.

Valda

i St.

Alameda Ave.Buckley

Air Force Base

30

Alternative 6

Job Name, Job #, Date

City of AuroraENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OFENVIRONMENTAL DOCUMENTATION AND PRELIMINARY DESIGN OF

6TH AVENUE PARKWAY EXTENSION6TH AVENUE PARKWAY EXTENSION

(SH30 TO E-470)(SH30 TO E-470)

14-046 12/3/14

NORTH

Sand Creek

Murphy Creek

Coal Creek

6

4

3

21

5

LEGEND

Study Area LimitsParks, Recreation,and Open SpaceCoal Creek Arena

Bridge Structure

Floodway

Floodplain

Noise SensitiveAreas

6th Ave.

Picad

illy Rd

.

Towe

r Rd.

Aspe

n St.

Gun C

lub Rd

.

6th Pkwy.

Bayaud Ave.

Valda

i St.

Alameda Ave.

Buckley

Air Force Base

30

Alternative Alignments