cobb county comprehensive transportation plan (ctp) board of commissioners briefing january 22, 2008

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Cobb County Comprehensive Transportation Plan (CTP) Board of Commissioners Briefing January 22, 2008

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Cobb County Comprehensive Transportation Plan (CTP)

Board of Commissioners BriefingJanuary 22, 2008

Cobb County Comprehensive Transportation Plan

Purpose of CTP

• Identifies multimodal transportation needs countywide

• Recommendations include roadway, freight, transit, bicycle and pedestrian solutions

• Compares needs against funding assumptions to develop strategic vision for implementation

• Serves as a transportation planning “platform” upon which future detailed project concept development efforts will build

Cobb County Comprehensive Transportation Plan

Study Background

• 2-year effort

• Interjurisdictional, including Cobb’s unincorporated areas and 6 municipalities

• Analysis reported for 4 Planning Areas encompassing entire county

• 2 primary study parts: Transportation elements of DCA Comprehensive Plans and enhanced countywide multimodal recommendations

Cobb County Comprehensive Transportation Plan

Coordination and Outreach• Project Management Team (PMT)

– Representatives from County, cities, ARC and GDOT

– 12 meetings over the course of the study

• Stakeholder Coordinating Committee (SCC)

– Representatives from public agencies and private organizations

– Appointed by each County Commissioner and municipality

– 7 meetings (3/06, 6/06, 9/06, 1/07, 5/07, 8/07, 10/07)

• Cobb Paulding Working Group (CPWG)

– Specific focus on traffic within western Cobb and Paulding County impact

– Representatives selected by Cobb County, Paulding County and the City of Marietta

– 6 meetings (10/06, 1/07, 5/07, 8/07, 10/07, 12/07)

• Special briefings conducted for municipalities and CIDs as requested throughout study duration

Cobb County Comprehensive Transportation Plan

Public Involvement• Public involvement meetings

– 5 rounds (4/06, 8/06, 2/07, 10-11/07, 1/08)

– 628 attendees from first 4 rounds

• Study website (www.cobbdot.org/ctp)

• Newsletters (4)

• Fact sheets, press releases and meeting flyers

• Stakeholder interviews (52 community leaders)

• Surveys (1000 random phone interviews)

• Contact database (600)

Cobb County Comprehensive Transportation Plan

Technical Process

• Accepted methodologies and analyses used to ensure compatibility with regional planning processes

• Regional model adapted to provide greater Cobb specific detail on travel patterns and volumes

• Cost estimates and funding assumptions based on local, regional and state sources and tools

Cobb County Comprehensive Transportation Plan

Recommendations• Multimodal Projects

– Roadway

– Transit

– Multi use trails

– Pedestrian facilities

• Policies and Procedures

– Roadway

– Access management

– Freight truck routes

– Travel demand management (TDM)

– Bicycle, pedestrian and multi use trail facilities

Cobb County Comprehensive Transportation Plan

Factors Considered in Project Selection

• Congestion

– Overcapacity

– Daily Delay

– Travel Time Index (TTI)

• Safety

• Thoroughfare Plan Classification

• Capital/Operating Costs per Rider

• Potential Community and Economic Impacts

Cobb County Comprehensive Transportation Plan

Roadway Improvements

• 137 total

– Widenings = 50

– New roadways, extensions/connectors = 9

– Operational (access management, shoulder widening, corridor improvements) = 30

– Major intersection improvements (grade separation, realignment, new interchange) = 28

– Operational intersection improvements = 36

*Some projects include two types of improvements (e.g., widening and major intersection improvements)

Cobb County Comprehensive Transportation Plan

Transit Improvements

• 17 total

– US 41 high capacity transit (feasibility study)

– Express bus service = 5

– Limited stop bus service = 5

– Local bus service = 3

– Circulator shuttle service = 3

Cobb County Comprehensive Transportation Plan

Trail & Pedestrian Improvements

• Multi use trails = 44 total (~168 linear miles)

• Pedestrian facilities = 80 total (~ 41 linear miles)

– Safety & key corridor = 34

– LCI connectivity = 11

– School/activity center buffer = 35

• Assume roadway improvements will incorporate bicycle/pedestrian facilities and trail connections as appropriate

Cobb County Comprehensive Transportation Plan

Recommendations by Planning Area

Project TypeNorthwest(Acworth & Kennesaw)

NortheastSoutheast(Marietta &

Smyrna)

Southwest (Austell & Powder

Springs)

Roadway 40 42 43 30

Transit 8 5 7 6

Trail 9 5 20 18

Pedestrian 14 6 32 34

TOTAL 71 58 102 88

*Some projects are included in more than one Planning Area

Cobb County Comprehensive Transportation Plan

System Performance Results

Performance Measure

Base ScenariosNeeds Based

Plan2005 2030 E+C

Travel Time Index 1.43 1.73 1.55

>6 Hrs of Congestion(% of Lane-Miles)

1% 5% 2%

2-6 Hrs of Congestion% of Lane-Miles)

18% 27% 20%

<2 Hrs of Congestion(% of Lane-Miles)

81% 68% 77%

Annual Congestion Cost(x $1,000,000)

$870.1 $1,908 $1,515

Transit Mode Share 0.6% 0.7% 1.2%

Cobb County Comprehensive Transportation Plan

Access Management Policies• Continued adherence to development standards

• Formation of access review committee

• Completion of corridor specific access management plans, beginning with arterials

• Required access management plan as part of concept development process for arterial and major collector widenings and upgrades

• Access Management Overlay Districts (AMODs)

• Appropriate access management applications based upon functional classification typology

Cobb County Comprehensive Transportation Plan

Truck Freight Policies

• Land use compatibility

• Operations and design

• Maintenance

• Intermodal facilities

Cobb County Comprehensive Transportation Plan

Travel Demand Management Policies

• TMA expansion and development

• Required TDM plans for new large land developments

• CIDs critical to TDM implementation

Cobb County Comprehensive Transportation Plan

Bicycle, Pedestrian & Trail Policies• Strategically target investments to most suitable areas

• Require roadway projects to include pedestrian and bicycle facilities as appropriate

• Update zoning code to require pedestrian and bicycle facilities and amenities in commercial and mixed use developments

• Establish guidelines for ensuring connectivity between neighborhoods and adjacent land uses

• Promote education, enforcement and awareness programs to encourage increased use of and safety for bicycling and walking

Cobb County Comprehensive Transportation Plan

Estimated Costs by Category• Roadway = $4,504,029,000

– On System Improvements = $3,532,576,000

– Off System Improvements = $971,453,000

– Capacity Improvements = $3,274,872,000

– Major Intersection Improvements = $798,344,000

– Operational Improvements = $430,813,000

• Transit = $1,132,803,000 (Capital & Operating)

• Multi Use Trails = $168,856,000

• Pedestrian = $38,603,000

– Safety & key corridor = $18,103,000

– LCI connectivity = $7,330,000

– School & activity center buffer = $13,170,000

Cobb County Comprehensive Transportation Plan

Use of Plan into the Future

• To move specific transportation projects forward (prioritization, funding, detailed concept definition)

• For project inclusion in ARC’s Regional Transportation Plan (must be drawn from and supported by the countywide CTP)

• As a staff resource during interjurisdictional and intercounty coordination efforts

• To ensure land use / transportation connectivity and shifting travel behaviors are monitored by Plan updates (every 3-5 years)

Cobb County Comprehensive Transportation Plan

Upcoming Outreach

• Draft CTP summary and document placed on website from January 23 for public download, review and comment

• Final Public Involvement Meeting on January 24 from 3:30-7:30 PM at Central Marietta Library

• CTP presentations to local municipality Mayors/Councils for appropriate action

Questions?