Georgia DOT Updates: MMIP and Transform 285/400 January 23, 2018 - PowerPoint PPT Presentation

Georgia DOT Updates: MMIP and Transform 285/400 January 23, 2018 Tim Matthews, P.E. MMIP Program Manager Jill Goldberg External Affairs Manager 1

We Will Cover •Major Mobility Investment Program (MMIP) •Georgia Express Lanes System •I-285 Top End Express Lanes •SR 400 Express Lanes • Transform 285/400 2

Major Mobility Investment Program (MMIP) Tim Matthews, P.E. MMIP Program Manager 3

MMIP: 11 Major Projects Now Underway • 11 initial major mobility projects under contract in 10 years (by 2026) • $11 billion program • Improve passenger and freight movement • Use innovative delivery and public-private partnerships (P3) to accelerate projects 4

11 MMIP Projects 5

MMIP Projects 6

MMIP Schedule 7

Procurements Professional Services Design-Build and P3 8

Local Government and Transit Coordination • Project plans do not preclude transit • Coordination with MARTA on options for Bus Rapid Transit (BRT) and inline bus stations 9

Baseline Access Assumptions 10

Baseline Access Assumptions Near Sandy Springs 11

I-285 Top End Express Lanes 12

I-285 Top End Express Lanes • Two new barrier-separated express lanes in both directions – mostly elevated • Project limits may be adjusted • Lanes located outside the existing general purpose lanes • Part of the larger Georgia Express Lanes system • Conceptual/Environmental phase • Project funding identified 13

I-285 Typical Roadway Section Express Lanes Illustrative design 14

I-285 Top End Next Steps • GEC procurement • Current operational study to define express lane access points • Traffic modeling • Opportunities for early right-of-way acquisitions • Ongoing stakeholder communications • Re-engage the public • Environmental Record of Decision – anticipated late 2021 • Final schedule to be determined 15

I-285 Top End Right-of-Way Coordination • GARVEE Bonds sold • Property acquisition underway • Strategic Acquisition Plan • Advanced acquisition opportunities and strategies • ROW GEC – anticipated early 2018 16

I-285 Top End Express Lanes Schedule Schedule subject to change Early ROW acquisition 17

I-285 Top End + PI # 0001758 Influence Change Jun Dec Jan Jun Jun Sep Oct Dec Jun 2028 18 2019 2020 2021 2019 2021 2023 2021 2022

SR 400 Express Lanes 19

SR 400 Express Lanes 1 express lane ends 2 express lanes • Two express lanes in each end; 1 express direction along SR 400 lane begins between I-285 and McGinnis Ferry Rd • One express lane in each direction from McGinnis Ferry Road to McFarland Parkway • Project limits may adjust • General Engineering Consultant (GEC) is under 2 express lanes begin contract 20

SR 400 Express Lanes – Typical Roadway Section • I-285 N to Spalding Drive • Two Express Lanes in each direction (illustrative example) 21

SR 400 Express Lanes – Typical Roadway Section • Spalding Drive to McGinnis Ferry Road • Two Express Lanes in each direction (illustrative example) 22

SR 400 Express Lanes – Typical Roadway Section • McGinnis Ferry Road to McFarland Parkway • One Express Lane in each direction (illustrative example) 23

SR 400 Express Lanes Activities • Current Activities • Next Steps • Survey control complete • Environmental phase • Operational study to define • Future traffic volume express lane access points forecasting • Traffic analysis • Future conditions operational analysis • Access testing/validation • Opportunity for early ROW • Local/agency stakeholder acquisition coordination • Environmental field work 24

SR 400 Express Lanes Schedule Schedule subject to change 25

SR 400 Express Lanes + PI # 0001757 Influence Change Aug Sep Oct Sep Apr Jun Dec Jan Aug Dec 2024 26 2018 2018 2019 2019 2020 2020 2021 2019 2020

Transform 285/400 Jill Goldberg, External Affairs Manager 27

Project Overview Two projects combined • I-285/SR 400 Interchange • SR 400 Collector-Distributor (CD) Lanes Project Limits • SR 400: North of Spalding Drive to the Glenridge Connector • I-285: Long Island Drive to east of Ashford Dunwoody Road Faster project completion through innovative project delivery methods • Design-Build-Finance (DBF) • Public-Private Partnership (P3) Total estimated project cost - $800M 28

I-285/SR 400 Interchange Existing Cost Proposal 29

I-285/SR 400 Interchange – Alternate A 30

Project Schedule 31

Future Construction Stages Q1 2018 – Q1 2019 Q1 2018 – Q2 2019 Q3 2018 – Q2 2020 Q4 2017 – Q1 2020 Q2 2018 – Q4 2019 Q1 2018 – Q2 2020 Q1 2018 – Q1 2020 Q1 2018 – Q1 2020 32

Upcoming & Ongoing Work • Permanent SR 400 Flex Lane closure • Detour at Mount Vernon and Barfield Road for AT&T relocation • Construction of the collector-distributor lanes on SR 400 and I-285 • Abernathy Road Diverging Diamond Interchange (DDI) 33

Mount Vernon Highway Bridge Reconstruction • New 4-lane bridge will be built • Periodic daytime and night time closures of lanes and shoulders on Mt. Vernon and SR 400 • Pedestrian access will be maintained • Construction crews will work behind concrete barriers 34

Abernathy Road Diverging Diamond Interchange (DDI) 35

Abernathy Road Cross Section N 36

Glenridge Drive and Peachtree Dunwoody Road Bridges • City provided $2.25M earmark for Glenridge improvements • Georgia DOT approved change in December 2017 • Construction in late-2019 37

Glenridge Drive Bridge 38

Peachtree Dunwoody Road Bridge 39

Sound Barriers • Light gull grey color, ashlar stone finish • 2018 construction • Glenridge Drive to Roswell Road • Spalding Drive • Existing barriers will remain until construction begins in respective areas 40

Shared-Use Path • 12’ paved surface with 2’ unobstructed shoulders (grass) on either side • Final design stages • Construction to begin in Q2 2020 41

Questions? 42