Overview
How to use the Toolbox
SSA Tools
SSA Toolbox Filter
Guidance
SSA Toolbox Filter
| SSA Filter Groups | |||
|---|---|---|---|
| Focus Area (FA) | Project Type (PT) | Roadway Context (RC) | Safety Category (SC) |
| FA: Intersections | PT: Construction on Existing Roadway | RC: Rural | SC 1: Remove Severe Conflicts |
| FA: Pedestrian/Bicyclist | PT: New or Reconstruction | RC: Rural Town | SC 2: Reduce Vehicle Speed |
| FA: Roadway Departure | PT: Resurfacing | RC: Suburban | SC 3: Manage Conflicts in Time |
| FA: Speed Management | RC: Urban | SC 4: Increase Awareness | |
| RC: Urban Core | |||
Filter SSA Tools by clicking on the buttons below.
One item may be selected from each SSA Filter Group.
Intersection Buffers
Speed Tables and Raised Crosswalks
Speed Hump
Raised Intersections
Using Traffic Signal Timing to Meet Target Speeds
Two-Way Left Turn Lane (TWLTL) Restrictions
Transverse Pavement Rumbles
Superelevation Improvement
Speed Reduction Markings
Speed Feedback and Changeable Message Signs
Slope Flattening
Sequential Dynamic Chevron Warning System
Roadway Narrowing: Pavement Markings
Curb Extensions
Rest in Red
Rectangular Rapid Flashing Beacon (RRFB)
Protected Intersection
Positive Offset Turn Lanes
Median Barriers on Undivided Roadways
Median and Pedestrian Refuge Islands
Lighting
Leading Pedestrian Interval (LPI)
Increase Use of Roadside Barriers and End Terminals
Supplemental In-Lane Pavement Markings
Successively Smaller Curves
Lateral Shifts and Chicanes
High-Visibility Crosswalks
Friction Surface Treatments
Flashing Yellow Right Turns
Evaluate and Implement Road Reconfigurations
Enhanced Signing
Curve Widening
Convert Low-Volume Intersections from TWSC to AWSC
Colored Pavement
Centerline Turn Hardening
Centerline Buffers
Cable Median Barriers
Buffered Bike Lanes
Back-In Angle Parking
Address Visual Traps with Pavement Markings
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CONTACT:
Jill Asher
Research EngineerÂ
jill.asher@uky.edu
