Speed Limit and Speed Management Practices in Washington State

Please answer the following questions about setting speed limits and using speed management practices in Washington State. It should take you about 5 minutes.  Your responses will be kept confidential.

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* 1. Check the agency type that applies to your current work situation

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* 2. About how many times have you been involved in setting a speed limit for the first time on a new road or adjusting an existing speed limit?

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* 3. What triggers you/your agency to re-evaluate or change a speed limit? (choose all that apply)

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* 4. What factors do you consider when evaluating or changing a speed limit (up or down)?

  Always Sometimes Never
Roadside development and environment (access spacing, type of development, etc)
Pace speed
Parking practices
Pedestrian or bicyclist activity
Your agency’s Standard Operating Procedures
Road characteristics (shoulder, grade, alignment, sight distance, etc)
Route development plans or comprehensive plans
Multimodal level of service
An expert system (such as US Limits)
Crash history
Effect on driver travel times
85th Percentile Speed
Other
Population types (children, seniors, low income, people with disabilities) expected to use the road

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* 5. Who has the authority to approve speed limit revisions in your jurisdiction’s right of way?

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* 6. When a speed limit is changed (up or down) how often does your agency also implement speed management measures and devices such as signal timing, narrowing travel lanes, installation of guardrails, median barriers, roundabouts, curb extensions, adding shoulder width, adding bike lanes, speed feedback signs, traffic safety cameras etc.?

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* 7. Do you use 85th percentile speed to determine if you have reached the operating speed you are trying to achieve?

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* 8. Does your agency have a funding mechanism or program for the implementation of speed management strategies, including devices, when it’s determined a speed limit should be lowered, but operating speeds are in excess of the desired posted speed?

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* 9. In the majority of the situations where you might use speed management measures and devices (such as signal timing, narrowing travel lanes, roundabouts, etc.) how confident are you that they would result in a desired operational speed?

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* 10. How likely are you to consider changing your practice around road design, traffic operations and setting speed limites to get to operating speeds that would minimize injury severity?

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* 11. What factors influence your professional practice around road design, traffic operations, and setting speed limits as it applies to reducing  injury severity in crashes? (choose all that apply)

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* 12. Have you established a 20mph speed limit on non-collector streets in residential or neighborhood business districts per RCW 46.61.415 (3)(a)?

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* 13. If minimizing injury severity were the only thing you had to consider, what target speed would you establish for the following facility types/land use context?

0 of 13 answered
 

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