MARTIN LUTHER KING JR. BOULEVARD EXTENSION

ENVIRONMENTAL ASSESSMENT (EA) AND REEVALUATION

PUBLIC MEETING

JULY 25, 2017

Presentation Overview

Project Overview

Project Description

Key Technical Topics

Project Schedule

Questions and Answers

MLK EXTENSION - PROJECT OVERVIEWProject History• Stapleton Redevelopment Plan and New

Development• MLK Environmental Assessment (EA) 2011• Project Funding Identified – EA Reevaluation 2015 -

2017• Public Meeting March 2016• EA Reevaluation signed by CDOT/FHWA June 2017• Finding of No Significant Impact (FONSI) pending

PURPOSE AND NEED

Purpose • To improve an east-west arterial connection

between Havana Street and Peoria Street.Needs

• Address future expected traffic congestion• Improve travel efficiency by reducing out-of-

direction travel• Provide local access to existing and planned

residences, business, schools and parks.

PROJECT DESCRIPTION

LANDSCAPE PLAN

Landscaping Concepts

STORMWATER POND, PIPELINE AND OUTFALL STRUCTURE

Storm Water Pond

Pipeline

Outfall to Sand Creek

ENVIRONMENTAL FINDINGS AND MITIGATION

NoiseConstruction Noise

• Denver noise ordinance to be followed

Operational (Motor Vehicle) Noise

• FHWA Noise Evaluation completed June 2017

• Noise Wall Vote Late June to July 18, 2017

• Noise Wall Mock Up Meeting July 5, 2017

ENVIRONMENTAL FINDINGS AND MITIGATION – NOISE, CONT’D

Benefited Receptor Noise Wall Vote• Three Noise Sensitive Areas (NSA) 3, 4 and 6• Separate noise wall votes, therefore three possible noise walls• Voting by ‘benefitted receptors’ late June through July 18th

Voting results:

NSA 3 40 (73%) No(71% of possible votes) 15 (27%) Yes

NSA 4 34 (87%) No(75% of possible votes) 5 (13%) Yes

NSA 6 10 (53%) No(63% of possible votes) 9 (47%) Yes

ENVIRONMENTAL FINDINGS AND MITIGATION, CONT’D

Air Quality

• Analysis of CO, PM10 Ozone, MSATs and GHG

• Meets Regional Air Quality Conformity Requirements

• Mitigation During Construction

Water Quality/Water Resources/Wetlands

• Water Quality Treatment Included

• No wetland impacts

• USCOE Section 404 Permit for Sand Creek Outfall

ENVIRONMENTAL FINDINGS AND MITIGATION, CONT’D

Biological Resources

Vegetation and Weeds • Noxious weed management plan req’d.

Raptors and Migratory Birds• Monitor for nests prior to construction• If active nests, consult with CPW, USFWS to

avoid or minimize impacts

Prairie Dogs • Barrier along Bluff Lake property• CDOT 2009 Policy applies

ENVIRONMENTAL FINDINGS AND MITIGATION, CONT’D

Archaeological and Historic Resources

• No “Eligible” Resources for Nat. Historic Register• “No Historic Properties Affected”

Socioeconomics/Land Use/Environmental Justice

• MLK Extension is consistent with adopted land useplans

• No Disproportionately High or Adverse Effects toEnvironmental Justice populations (low income,minority)

ENVIRONMENTAL FINDINGS AND MITIGATION, CONT’D

Right-of-Way• Moline to Peoria Right-of-Way acquired

Transportation• Consistent with DRCOG 2040 Regional

Transportation Plan (RTP)• Local roadway network benefits

ENVIRONMENTAL FINDINGS AND MITIGATION, CONT’D

Recreation Resources/Section 4(f)• Temporary detour of Sand Creek Trail• Improved new trail

Visual Quality• Impacts to open space views Consistent with Stapleton Community Plans New landscaping provides buffer

Hazardous Materials• High Line Canal/Stapleton runway remediation

is underway south of MLK project• No other hazards identified

MLK EXTENSION - NEXT STEPS

MILESTONE TIME FRAMEPublic Meeting July 25, 2017

Public Input Addressed July 26 – late Sept.

FONSI Signed by CDOT/FHWA* Sept. 2017

Final Design and Bid Processes Sept. – Dec. 2017

Construction Begins Early 2018

Construction Completed/MLK Extension Opens Late 2018

* Assumes FONSI

QUESTIONS & COMMENTS