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The four design alternatives and "no build" have been evaluated for the criteria in the tables below.

The project area is primarily in the city of Sherwood with a portion of the project outside of the city limits. The portion of the project outside of the city of Sherwood is subject to Article VII land use review, shown in Table 2.

 

Table 1: Evaluation of entire project limits

 

 

Alternative 1

  Alternative 2  

Alternative 3

Alternative 4

No Build

 

Widen equally about the existing centerline

Shift alignment to east

Widen road to the south/west

Widen road to the north/east

No change

Transportation System Operations

Meets TSP objectives

Yes

Yes

Yes

Yes

No

Geometric Impacts

Requires design exception

Yes

No

Yes

Yes

N/A

Right-of-Way Impacts

Approximate right-of-way impacts (square feet)

1,600

59,500

5,300

8,300

N/A

Residential buildings impacted (number)

0

15

0

0

N/A

AF-20 (Exclusive Agricultural and Forest District) impacts

No

No

Yes

No

N/A

Built and Planned Environment

Impacts to existing and proposed land uses

Least impactful to adjacent properties. Some right-of-way acquisition required, but no change to land uses.

Most impactful to adjacent properties. Right-of-way acquisition and relocations required. Would result in changes to land uses.

Most impactful to AF-20 property. 
Reduced property size, but
no change to land uses.

Impacts to residential land use.
More than Alternative 1, less than Alternative 2.

No change

Air quality

Acceptable
Regional air quality model includes this project

Acceptable
Regional air quality model includes this project

Acceptable
Regional air quality model includes this project

Acceptable
Regional air quality model includes this project

Acceptable
Reduced air quality due to congestion

Noise

Traffic noise mitigation proposed per Washington County's Noise Policy

Traffic noise mitigation proposed per Washington County's Noise Policy

Traffic noise mitigation proposed per Washington County's Noise Policy

Traffic noise mitigation proposed per Washington County's Noise Policy

No traffic noise mitigation provided

Hazardous materials

No anticipated impacts

No anticipated impacts

No anticipated impacts

No anticipated impacts

No change

Historic and cultural resources

Minimal impacts to cemetery frontage
(no impacts to grave sites)

Minimal impacts to cemetery frontage
(no impacts to grave sites)

Minimal impacts to cemetery frontage
(no impacts to grave sites)

Minimal impacts to cemetery frontage
(no impacts to grave sites)

No change

Recreation resources

No impacts

No impacts

No impacts

No impacts

No change

Visual Resources

No impacts

No impacts

No impacts

No impacts

No change

Natural environment

Wetlands

No impacts

No impacts

No impacts

No impacts

No change

Aquatic resources

No impacts

No impacts

No impacts

No impacts

No change

Terrestrial ecology

No impacts

No impacts

No impacts

No impacts

No change

Hydrology and hydraulics

Surface water management provided
No impacts

Surface water management provided
No impacts

Surface water management provided
No impacts

Surface water management provided
No impacts

No change

Water quality

Stormwater management provided
to current standards

Stormwater management provided
to current standards

Stormwater management provided
to current standards

Stormwater management provided
to current standards

No change. Current runoff is treated to outdated standards.

 

 

Table 2: Evaluation of project outside city limits

 

Alternative 1

Alternative 2

Alternative 3

Alternative 4

No Build

 

Widen equally about the existing centerline

Shift alignment to east

Widen road to the south/west

Widen road to the north/east

No change

Transportation System Operations

Meets TSP objectives

Yes

Yes

Yes

Yes

No

Geometric Impacts

Requires design exception

Yes

No

Yes

Yes

N/A

Right-of-Way Impacts

Approximate right-of-way impacts (square feet)

0

0

5,300

0

N/A

Residential buildings impacted (number)

0

0

0

0

N/A

AF-20 (Exclusive Agricultural and Forest District) impact

No

No

Yes

No

N/A

Built and Planned Environment

Existing and proposed land uses

No change to land uses

No change to land uses

Reduced property size, but no change to land uses

No change to land uses

No change

Air quality

Acceptable
Regional air quality model includes this project

Acceptable
Regional air quality model includes this project

Acceptable
Regional air quality model includes this project

Acceptable
Regional air quality model includes this project

Acceptable
Reduced air quality due to congestion

Noise

Traffic noise mitigation proposed per Washington County's Noise Policy

Traffic noise mitigation proposed per Washington County's Noise Policy

Traffic noise mitigation proposed per Washington County's Noise Policy

Traffic noise mitigation proposed per Washington County's Noise Policy

No traffic noise mitigation provided

Hazardous materials

No anticipated impacts

No anticipated impacts

No anticipated impacts

No anticipated impacts

No change

Historic and cultural resources

No impacts

No impacts

No impacts

No impacts

No change

Recreation resources

No impacts

No impacts

No impacts

No impacts

No change

Visual resources

No impacts

No impacts

No impacts

No impacts

No change

Natural Environment

Wetlands

No impacts

No impacts

No impacts

No impacts

No change

Aquatic resources

No impacts

No impacts

No impacts

No impacts

No change

Terrestrial ecology

No impacts

No impacts

No impacts

No impacts

No change

Hydrology and hydraulics

Surface water management provided
No impacts

Surface water management provided
No impacts

Surface water management provided
No impacts

Surface water management provided
No impacts

No change

Water quality

Stormwater management provided
to current standards

Stormwater management provided
to current standards

Stormwater management provided
to current standards

Stormwater management provided
to current standards

No change. Current runoff is treated to outdated standards.