Project Development – High Priority Segments 1/24/2011 Rumble StripE Lane Width? Rumble Strip 2 ft. shoulder paving* (up to 6 miles/year**) + rumble stripE + safety edge Noise Sensitive Receiver Paved Shoulder?PROJECT: 6” Wet Reflective in longitudinal groove Note: All projects also include Chevrons and Paving 2’ inside shoulder in Critical Radius curves, except Gravel Roads * Where regrading not required ** After 6 miles/year of paving, wet reflective longitudinal groove provided NOYES NO >=12 feet<12 feet PROJECT: 6” Latex Edgeline YESNO ADT >200? Road Surface? PavedGravel Segment received Stars for SVROR Crash Density & Critical Radius Curve Density PROJECT: Chevrons in Critical Radius Curves YESNO PROJECT 1

Directional Median + Street Lights + Upgraded Signs & Markings (Major ADT> 4,000 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 + Upgraded Signs & Markings 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? NO YES PROJECT: YES NO PROJECT: YES NO YES NO YES NO 2 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: 1/24/2011

Project Development – High Priority Curves Three ways for a Curve to receive a project 1/24/20113 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.