1. Public Workshop Meeting #3
December 8,2010

2. 2
Meeting Agenda
Project Update
Overview of Tech Memos 3.2 and 6.1
Update on Tech Memos 4.1 and 4.3
Summary of Workshop #2 Concepts
Alignments and Streetscapes
Work Session to Evaluate and Recommend Concept for Further Review
Public Comments
Next Steps
3. Project Process
WE ARE HERE
4. Technical Memorandum 3.2 Overview
Project Purpose and Need
Project Goals and Objectives
By Key Elements
Project Evaluation Criteria
By Key Elements
5. Purpose of This Project
Address corridor congestion and safety problems
Serve future north-south traffic
Serve expected population growth in the area
Damascus
Happy Valley
Pleasant Valley Plan area
Gresham
Serve the growing demand for regional travel
6. Key Project Elements
Project Implementation
Corridor Alignment
Land Use/ Transportation Integration
Streetscape Features
7. Corridor Alignment Goals
Improve mobility for:
Through traffic
Local community
Freight traffic
Minimize impacts to:
Environmental resources
Cultural resources
Social
Provide flexibility for:
Changing socio-economic conditions
Development opportunities
8. Streetscape Cross Section Goals
Provide an aesthetically pleasing design. . .
That supports the character of the adjoining land uses
That preserves rural character
Integrate green streets design with the natural features
Improve safety for all users
Support healthy and walkable communities
9. Technical Memorandum 4.1 and 4.3 Update
Existing Transportation Conditions
Added Six Intersections North of the Study Area
Updated Intersection Peak Hour Volumes
Conducted Daily Traffic Counts on 172nd and 190th
No Significant Operational Changes
Future Transportation Conditions (Year 2035)
Change in Mitigation Requirement at One Intersection
Roundabout/Signal at 172nd/Vogel
Financially Constrained Improvements Assumed for Six New Study Intersections
Additional Improvements Required at Three New Study Intersections
10. Technical Memorandum 6.1 Overview
Relevant Design Standards
Clackamas County
City of Damascus
City of Gresham
City of Happy Valley
Metro
Project Goals and Objectives
Context Sensitive Design Approach and Changes for the 172nd Corridor
11. Roadway Cross-Section Standards
Lane width requirements

Travel lane 11-12 feet

12. Center turn lane 12-14 feet 13. Bike lanes 6 feet on both sides 14. Sidewalks 6-8 feet 15. Landscape strip 5-7 feetSource: City of Happy Valley TSP
16. Roadway Standards
Classification: Minor Arterial
Design Speed
Main Corridor: 35-40 mph
Village Centers: 25-35 mph
Roadway Grade
1%-8% Typical
10% Residential
Intersection Spacing Standards

Arterials: 1000 Feet

17. Collectors: 500 Feet 18. Local Roads: 250 Feet