florida department of transportation district one interstate planning for i-4 and i-75 october 30,...

Florida Department of Transportation District One

Interstate Planning for I-4 and I-75

October 30, 2012

2

Purpose

Define Deficiencies on the Interstate Mainline– Capacity needs between 2012 and 2050 if no

improvements were made

Determine Years in which Interstate Mainline Widening is Needed

Provide Recommendations for Managed Lanes Study Limits in D1

Determine feasibility of replacing bridge structures

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Traffic Methodology – Growth Rate Development

Available FDOT Traffic Data– FTI DVD

Recent and Current Studies– Central Polk Parkway IJR, I-75 SIMR, I-75/SR 951 IMR,

I-75/Everglades IJR

Cost Feasible Models– CPP IJR , SR 951 IMR– Lee-Collier , Sarasota-Manatee-Charlotte

Population Growth and Projections Reviewed– Census Data from 2000 and 2010 – BEBR Medium Projections 2010 to 2035

Recommended Growth Rate Selected• I-4 Growth Rate = 2.0%• I-75 Growth Rate = 2.5%

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Traffic Methodology – Capacity Analysis

Geometry and Functional Classification of Mainline Segments was Reviewed

LOS Standard Applied Segment by Segment– Rural Interstate – LOS C– Urban Interstate – LOS D

FDOT Generalized Tables used to Determine Capacity Thresholds– 6 lane – 8 lane

Recommended Growth Rate Applied to 2011 AADTs

I-4 Future Capacity Assessment

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Results – County Line Road to US 98/SR 35

NA: This segment currently has 8 lanes (6 lanes plus 1 auxiliary lane in each direction)

6 Lanes

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Results – US 98/SR 35 to Polk Pkwy West

LOS D

Urban

8

Results – Polk Pkwy West to Champion’s Gate Blvd

6 Lanes

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Conclusions – Phase 1: US 27 to Champions Gate Blvd

8 Laning: This segment currently exceeds the 6-lane LOS C threshold

10 Laning: This segment requires widening to 10 lanes in 2021

6 Lanes

LOS C

Rural

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Conclusions – Phase 2: County Line Rd to Polk Pkwy West

8 Laning: This segment is currently 8 lanes.

10 Laning: This segment requires widening to 10 lanes in 2029

LOS D

Urban

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Conclusions – Phase 2: Polk Pkwy East to US 27

8 Laning:

This segment requires widening to 8 lanes between 2017 and 2021

10 Laning:

This segment requires widening to 10 lanes between 2032 and 2036

6 Lanes

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Conclusions – Phase 3: Polk Pkwy West to N. Socrum Loop Rd

8 Laning:

This segment requires widening to 8 lanes between 2025 and 2030

10 Laning:

This segment requires widening to 10 lanes between 2039 and 2045

6 Lanes

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Conclusions – Phase 4: N. Socrum Loop Rd to Polk Pkwy East

8 Laning:

This segment requires widening to 8 lanes between 2035 and 2036

10 Laning:

This segment requires widening to 10 lanes between 2050 and 2051

LOS D

Urban

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Summary – I-4 Capacity AnalysisPhasing - 8 Lanes Widening

Phasing - 10 Lanes Widening

8 Lanes provide acceptable LOS for 15 years

Managed Lanes Feasibility can be examined up to Polk Pkwy East

I-75 Future Capacity Assessment

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Conclusions – Phase 1: US 301 to US 41

8 Laning:

This segment requires widening to 8 lanes between 2012 and 2020

10 Laning:

This segment requires widening to 10 lanes between 2023 and 2031

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Conclusions – Phase 2: US 41 to N River Rd

8 Laning:

This segment requires widening to 8 lanes between 2021 and 2027

10 Laning:

This segment requires widening to 10 lanes between 2033 and 2039

Requires 6 laning in 2012

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Conclusions – Phase 3: North of Moccasin Wallow Rd to I-275

8 Laning:

This segment requires widening to 8 lanes in 2034

10 Laning:

This segment requires widening to 10 lanes between 2045 and 2050

NA: This segment currently has 8 lanes (6 lanes plus 1 auxiliary lane in each direction)

LOS D

Urban

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Conclusions – Phase 3: N River Rd to Choctaw Blvd

8 Laning:

This segment requires widening to 8 lanes between 2033 and 2036

10 Laning:

This segment requires widening to 10 lanes between 2044 and 2048

LOS C

Rural

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Conclusions – Phase 3: SR 80 to Pine Ridge Rd

8 Laning:

This segment requires widening to 8 lanes between 2026 and 2035

10 Laning:

This segment requires widening to 10 lanes between 2037 and 2047

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Conclusions – Phase 4: Choctaw Blvd to SR 80

8 Laning:

This segment requires widening to 8 lanes between 2037 and 2048

10 Laning:

This segment requires widening to 10 lanes between 2048 and 2059

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Conclusions – Phase 5: Pine Ridge Rd to SR 29

8 Laning:

This segment requires widening to 8 lanes between 2040 and 2077

10 Laning:

This segment requires widening to 10 lanes beyond 2051

LOS D

Urban

6 Lanes

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Summary – I-75 Capacity Analysis

Phasing - 8 Lanes Widening

Phasing - 10 Lanes Widening

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Summary Contd.

8 Lanes provide acceptable LOS for 11 to 12 years

Managed Lanes Feasibility can be extended to – US 301 to US 41/SR 681– US 41/SR 681 to N. River Rd