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Project Development – High Priority Segments -- ATP 2 10/29/2012 Road Surface? Paved Gravel Segment received Stars for Lane Departure Crash Density & Critical Radius Curve Density Segment received Stars for Lane Departure Crash Density & Critical Radius Curve Density YES NO 1 6” Latex Edge Line ADT < 200 No Project Chevrons in Critical Radius Curves 200 < ADT < 1,700 ADT > 1,700 6” Wet Reflective in groove YES Centerline Rumble Strip & 6” Wet Reflective in groove NO Shoulder Rumble Strip Centerline & Shoulder Rumble Strip NO Lane Width > 12 feet YES Noise Sensitive Receiver? Paved Shoulder? Edge Line Rumble Strip Centerline & Edge Line Rumble Strip NO YES 2 ft. Shoulder Paving, Safety Edge, and Shoulder Rumble Strip* Note: Except for gravel roads, corridor projects may also include Chevrons and paving 2’ shoulders in curves. * Where shoulder regrading not required and up to an annual limit of 6 miles of paving. Beyond 6 miles per year of shoulder paving, wet reflective in a groove to be selected instead. NO Centerline Rumble Strip & 2 ft. Shoulder Paving, Safety Edge, and Shoulder Rumble Strip*
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Project Development – High Priority Segments -- Rural METRO 10/29/2012 Road Surface? Paved Gravel 2 6” Latex Edge Line ADT < 600 No Project ADT > 600 6” Wet Reflective in groove YES NO Shoulder Rumble Strip NO Lane Width > 12 feet YES Noise Sensitive Receiver? Paved Shoulder? Edge Line Rumble Strip NO YES 2 ft. Shoulder Paving, Safety Edge, and Shoulder Rumble Strip* Note: Corridor projects may also include Chevrons and paving 2’ shoulders in curves. * Where shoulder regrading not required and up to an annual limit of 6 miles of paving. Beyond 6 miles per year of shoulder paving, wet reflective in a groove to be selected instead. ** At a limit of 6 total miles. Beyond 6 miles of 12-ft buffer, a 4-ft buffer to be selected instead. *** At a limit of 10 total miles. Beyond 10 miles of 4-ft buffer, centerline rumble strip to be selected instead. 3,000 < ADT < 8,000 At Least One Severe Head-on or Sideswipe Opposing Crash At Least One Severe Head-on or Sideswipe Opposing Crash Centerline Rumble Strip NO Access Density > 16 per mile YES 4-ft buffer with Centerline Rumble Strip*** 12-ft buffer with Left Turn Lanes** Road Departure Project – Star Ranking Centerline Project – ADT NOYES
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Project Development – High Priority Segments – Urban METRO 10/29/2012 3 Road Cross Section 4-lane to 3-lane conversion or Reallocate road & shoulder width to convert 2-lane to 3-lane Consider access management during future reconstruction Two-Lane or Four-Lane UndividedOther
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Directional Median + Street Lights + Upgraded Signs & Markings Total ADT> 4,500 AND Minor ADT> 500 AND Right Angle Crash? Total ADT> 4,500 AND Minor ADT> 500 AND Right Angle Crash? Divided Roadway? Roundabout Upgraded Signs & Markings Dynamic Mainline Warning + Street Lights + Upgraded Signs & Markings Street Lights Not Installed AND Minor ADT >200? Street Lights Not Installed AND Minor ADT >200? Street Lights + Upgraded Signs & Markings CSAH ADT > TH ADT OR Major ADT ≈ Minor ADT? CSAH ADT > TH ADT OR Major ADT ≈ Minor ADT? Street Lights + All-Way Stop + Upgraded Signs & Markings Multiple Severe Right Angle AND Major>10,000 & Minor>4,000? Multiple Severe Right Angle AND Major>10,000 & Minor>4,000? NO YES PROJECT: YES NO PROJECT: YES NO YES NO YES NO Project Development – High Priority Rural Intersections Road Surface? All Legs Paved Minor Legs Gravel Note: On gravel approaches, install stop bar on paved apron All Legs Gravel Review for Sign Upgrade or Removal of Signs +Clear Sight Triangles PROJECT: 10/29/2012 4
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Project Development – High Priority Curves Three ways for a Curve to receive a project: High Priority Curves and those in close proximity High Priority Curves and those in close proximity Curves w/ Existing Chevrons All Curves on Roadways* High Priority Segments & Critical Curve Radius PROJECT: Install/upgrade Chevrons +2’ Shoulder Paving +Rumble Strip Note: Gravel roads were considered if the segment experienced a high frequency of severe curve-related crashes. 10/29/2012 5
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Project Development – High Priority Ped/Bike Locations -- Urban Metro Intersection Type On Street Parking? Raised Island Pedestrian Countdown Timers & Advanced Walk Curb Extensions Countdown Timers? Advanced Walk Corridor Focused (ADT, Lanes, Configuration, Speed) Corridor Focused (ADT, Lanes, Configuration, Speed) Space available in median OR ability to reallocate space? Space available in median OR ability to reallocate space? Consider during future reconstruction YESNO SignalizedUnsignalized YESNO YESNO 11/1/2012
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Spacing < Guidelines? Project Development – High Priority Right Angle Locations -- Urban Metro 11/1/2012 Corridor Focused (ADT, Configuration, Speed) Corridor Focused (ADT, Configuration, Speed) Intersection Type Confirmation Lights Roundabout Multiple Severe Right Angle AND Major>10,000 & Minor>4,000? Multiple Severe Right Angle AND Major>10,000 & Minor>4,000? Divided? Commercial? Right In/Right OutDirectional Median YES SignalizedUnsignalized NO YES NOYES NO YES Consider during future reconstruction
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