Transportation Planning Report TPR

1
Tennessee Department of Transportation

• Transportation Planning Report (TPR)
• State Route 22
• Lexington, Henderson County

Southwest Tennessee Rural Planning Organization
Meeting January 4, 2007
2
State Route 22 TPR Study History

• Southwest Tennessee Rural Planning Organization
  requested review of 42 mile segment of State
  Route 22 from US 64 to I-40 as a significant
  corridor
• TDOT Long Range Planning conducted Preliminary
  Purpose and Need Statement
• Identified 5 segments of independent utility
  (SIUs)
• Identified section in Lexington from SR 20 to
  Hamlett as deficient
• Recommended development of Transportation
  Planning Report (TPR)
• Completed Purpose and Needs Statement in May 2007
• TDOT Short Range Planning Completed TPR for
  signatures on December 18, 2007

3
SR 22 Study Area

• State Route 20 (US 412) to Hamlett Street in
  Lexington
• Length 1.07 miles
• Existing Land Use
• Limited Light Commercial
• Primarily Residential
• Lexington High School
• Major North/South Route for Access to
• Local Schools,
• Hospitals,
• Commercial centers, and
• Industry in Lexington
• Direct Access to I-40

4
Existing Conditions

• Two Distinct Roadway Sections on SR 22
• SR 20 (US 412) to Dennison Drive (4 lane)
• Dennison Drive to Hamlett Street (5 lanes)
• 40 mph Posted Speed Limit
• 7-10 Trucks
• Moderate Traffic Growth (1.56 per year)
• Sight Distances issues for several Cross Streets

5
SR 22 from SR 20 (US 412) to Dennison Drive

• Four Lane Undivided Roadway (40 Curb to Curb)
• Narrow Shoulders with Curb and Gutter
• 5 Grass Strip
• 5 Sidewalk
• 60 Right-of-Way

6
SR 22 from Dennison Street to Hamlett Street

• Five Lane Roadway with Continuous Center-Turn
  Lane
• 8 Shoulders with Curb
• No Sidewalks
• 11 Lane Widths
• 74 Right-of-Way

7
Purpose and Need

• Improve Safety Existing segments have a crash
  rate higher than the Statewide Average
• Improve Regional Access and Mobility Existing
  lane width deficiencies and inadequate capacity

8
Justification of Purpose and Need

• System Linkage
• County Seat Connector Route
• SR 20 (US 412)
• Interstate 40
• Capacity Constraints
• Transportation Demand
• Legislation
• Social Demands or Economic Development
• Modal Inter-Relationships
• Safety
• Roadway Deficiencies

9
Route Options

• Option A No-Build
• Make No Geometric Improvements
• Option B Widen SR 22 Symmetrically
• Widen SR 22 Equally About the Centerline
  Including Additions of Sidewalk, Curb and Gutter
• Option C Widen SR 22 on the East Side
• Maintain Existing West Edge of Pavement and add
  Sidewalk and Curb and Gutter
• Option D Widen SR 22 on the West Side
• Maintain Existing East Edge of Pavement and add
  Sidewalk and Curb and Gutter

10
Cross Sections for Build Options

• 12 Continuous Turn Lane
• 12 Inside Through Lanes
• 14 Foot Outside Through Lanes
• Curb and Gutter
• 5 Grass/Utility Strip
• 5 Sidewalks

11
Cost Estimates

• Option A No-Build 0
• Option B Widen Symmetrically 7,637,000
• Option C Widen to the East 6,470,000
• Option D Widen to the West 9,676,000

12
Summary of Options

• Option A (No Build)
• Does Not Improve Mobility Between Lexington and
  Interstate 40
• Does Not Provide for Alternative Modes of
  Transportation
• Does Not Reduce Traffic Congestion
• Does Not Improve Safety
• Has No Impact on Existing Residential or
  Commercial Properties
• No Cost

13
Summary of Options (cont.)

• Option B (Widen SR 22 Equally East and West)
• Improves Mobility For Pedestrians, Bicyclists,
  Motorists, and Freight Carriers
• Provides for Alternative Transportation Modes
• Potential for Improved Safety
• Improves Access Between Lexington and Interstate
  40
• Substantial Impact to Adjacent Property
• 72 Property Incidentals
• Relocation of 8 Residences and 2 Apartment
  Buildings
• This Option is Estimated to Cost 7,637,000

14
Summary of Options (cont.)

• Option C (Widen SR 22 to the East)
• Improves Mobility for Pedestrians, Bicyclists,
  Motorists, and Freight Carriers
• Provides for Alternative Transportation Modes
• Potential for Improved Safety
• Improves Access Between Lexington and Interstate
  40
• Substantial Impact to Adjacent Property
• 36 Property Incidentals
• Relocation of 16 Residences
• This Option is Estimated to Cost 6,470,000

15
Summary of Options (cont.)

• Option D (Widen SR 22 to the East)
• Improves Mobility for Pedestrians, Cyclists,
  Motorists, and Freight Carriers
• Provides for Alternative Transportation Modes
• Potential for Improved Safety
• Improves Access Between Lexington and Interstate
  40
• Substantial Impact to Adjacent Property
• 46 Property Incidentals
• Relocation of 15 Residences, 2 Apartment
  Buildings, and a Church
• This Option is Estimated to Cost 9,676,000

16
Questions?