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Traffic Calming Devices Workshop. Prepared by City Engineering Department. Project Goals. Purpose of workshop Types of TDCs Available Considerations Recommendations and Analysis Informational Items NE 8 th & 10 th Avenues Considerations Discussion Review existing City policy.

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Traffic calming devices workshop

Traffic Calming Devices Workshop

Prepared by

City Engineering Department


Project goals
Project Goals

  • Purpose of workshop

  • Types of TDCs Available

  • Considerations

  • Recommendations and Analysis

  • Informational Items

  • NE 8th & 10th Avenues Considerations

  • Discussion

  • Review existing City policy


Purpose of workshop
Purpose of Workshop

  • Discuss the different types of TDCs available and their applicability for use throughout the City

  • Solicit input of preferences from the community and the Commission

  • Discuss and comments


Types of tdcs available
Types of TDCs Available

  • Passive Controls

    • Warning signs

    • Speed limit signs

    • Caution signs

    • Speed radar signs

    • Radar boards

    • Police speed enforcement


Types of tdcs available1
Types of TDCs Available

  • Active Controls - Vertical or horizontal deflections

    • Speed bumps

    • Speed humps

    • Speed pillows

    • Speed tables

    • Raised intersections

    • Intersection islands

    • Roundabouts

    • Splitter islands

    • Narrowed lanes

    • Lane offsets


Considerations
Considerations

  • Impact to neighborhoods

  • Thru traffic

  • Emergency vehicles response times

  • Fire rescue response times

  • Garbage truck pickup

  • Delivery vehicles

  • Pedestrian safety

  • Aesthetics

  • Cost of implementation and maintenance

  • Transfer of problems to other areas

  • Noise impacts due to stopping and accelerating


Recommendation and analysis

Discussion of the following

- Passive Controls

- Active Controls - Vertical or horizontal deflections

Speed bumps

Speed humps

Speed pillows

Speed tables

Raised intersections

Intersection islands

Roundabouts

Splitter islands

Narrowed lanes

Lane offsets

Recommendation and Analysis












Informational items
Informational Items

  • Present TDCs being installed

    - Speed Tables per BCTD Standard

  • Coordination with Fire and Police

    - Emergency response impacts

  • Majority of installs based on residents request

  • TDCs have a positive impact on crime prevention


Ne 8 th and ne 10 th avenues considerations
NE 8th and NE 10th Avenues Considerations

  • Options to conversion from one way to two way traffic

    - Install speed tables on each avenue to

    slow traffic

    - Eliminate the NB thru movement from the

    10th Ave. signal to reduce cut thru traffic

    - Eliminate the SB and NB left turns at 8th

    Ave. leaving only the WB left for Sage

    plaza or eliminate the signal all together


Discussion
Discussion

  • Discussion of presentation and input from residents and Commission


Review existing city policy
Review Existing City Policy

  • Review of existing policy for potential changes


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