Paula J. Trigg, County Engineer Public Works and Transportation Committee May 7, 2014 MODERNIZATION PROJECTS EXPANSION PROJECTS PROPOSED HIGHWAY IMPROVEMENT PROGRAM 1
PRESENTATION SCHEDULE: YEAR HIGHWAY IMPROVEMENT PROGRAM PWTC 2014 Meeting DatePresentation Topic February 26 Preview 2014 Construction April 2 Overview/Source of Projects April 30 Preservation Projects May 7 Modernization and Expansion Projects May 28 Funding and Revenue June 4 Project Listings June 25 Draft Program Document 2
FIVE YEAR HIGHWAY IMPROVEMENT PROGRAM 3 Management philosophy sets system priorities: 1 - Preservation 2 - Modernization 3 - Expansion Last meeting highlighted Preservation This presentation focuses on Modernization and Expansion
PRIORITY TWO: PRIORITY TWO: MODERNIZATION 4 Project set developed through traffic analysis Projects provide improvements to the system, for example: Intersection improvements – turn lanes, signals Safety improvements ITS elements in Lake County PASSAGE Addition of bicycle facilities or pedestrian accommodations
PROPOSED BIKE FACILITIES 5
AVERAGE DAILY TRAFFIC 6
LEVEL OF SERVICE DATA 7 2 way intersections (134 total) Level of ServiceAM Peak HourPM Peak Hour (best)A2322 B2820 C3529 D1012 E119 (worst)F2742 Multiway intersections (18 total) Level of ServiceAM Peak HourPM Peak Hour (best)A84 B66 C31 D02 E02 (worst)F13 Signalized intersections (252 total) Level of ServiceAM Peak HourPM Peak Hour (best)A2927 B4339 C5430 D4628 E2031 (worst)F6097 Helps traffic engineers evaluate how a given intersection is functioning. Better levels of service mean fewer delays at the intersection. Intersections should perform at a level of “C” or better to meet driver expectations.
TRAFFIC VOLUMES: INTERSECTIONS 8
AVERAGE DAILY TRAFFIC: THEN & NOW 9
2014 CRASH SUMMARY (2012 TCAS DATA) 10
HISTORICAL PERSPECTIVE: CRASHES* 11
LAKE COUNTY TRAFFIC SIGNALS 12
FIBER OPTIC NETWORK 13
EXPANDING COMPUTER AIDED DISPATCH (CAD) COVERAGE 14
PASSAGE: ASSET INVENTORIES 15 Traffic Signals year addedsignals Total470 Hubs & Switches year addedCom HubWirelessDatalink Total PTZ Cameras year addedcameras Total293 Fiber Optic Cable (miles) Planned27 Existing254 Construction8 Total289 HAR Towers Total5
PRIORITY THREE: EXPANSION 16 Projects in this category address highway capacity issues Typical projects: Adding lanes to existing system Building new roads Projects in this category are usually expensive and have longer timeframes for completion
AVERAGE ROAD LENGTHS 17
AVERAGE DAILY TRAFFIC 18
GROWTH IN LANE MILES: COUNTY-OWNED ROADS 19
ANNUAL VEHICLE MILES ON COUNTY- OWNED ROADS 20
2040 ROADWAY PRIORITIES Peak period trips estimated to increase by 36% between 2010 and miles of roadway Improvements recommended 7 interchange 9 intersection 65 corridor
HISTORY: DAILY VEHICLE MILES 22
EXPANSION PROJECTS (FROM 2013 TO 2018 PROGRAM) 23
SUMMARY 24 Priority Two: Modernization Reduce delays and increase safety by accommodating short-term traffic growth and the needs of non- motorists. Priority Three: Expansion Provide highway capacity to meet long-term traffic growth needs and provide for economic development.
PRESENTATION SCHEDULE: YEAR HIGHWAY IMPROVEMENT PROGRAM PWTC 2014 Meeting DatePresentation Topic February 26 Preview 2014 Construction April 2 Overview/Source of Projects April 30 Preservation Projects May 7 Modernization and Expansion Projects May 28 Funding and Revenue June 4 Project Listings June 25 Draft Program Document 25