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Pages 230-239

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From page 230...
... Appendix B Survey Questionnaire
From page 231...
... . Your responses to the following questions concerning your agency's policies and practices regarding the design and application of shoulder and centerline rumble strips would be greatly appreciated.
From page 232...
... How close to the edgeline does your agency install shoulder rumble strips? ___________________________ If the lateral placement from the edgeline is variable, what specific features are considered in determining the lateral placement of the shoulder rumble strips?
From page 233...
... Does your agency's policy provide a gap in the shoulder rumble strip pattern to allow bicyclists to maneuver from the travel lane to the shoulder and back without traversing the rumble strips?
From page 234...
... Does your agency, in some cases, install shoulder rumble strips along specific shorter sections of roadway (e.g., specific horizontal curves)
From page 235...
... of applications that have been installed by your agency? Centerline rumble strips within pavement markings Centerline rumble strips extend into travel lane Centerline rumble strips on either side of pavement markings 23.
From page 236...
... Has your agency installed both centerline rumble strips and shoulder rumble strips along the same roadway?
From page 237...
... Future Research Needs Related to Shoulder Rumble Strips Priority* Check if your agency has already performed related research Check if your agency might be willing to participate in future research or has available data to address the issue Determine optimum dimensions (e.g., length, width, depth, spacing)
From page 238...
... Assess advantages/disadvantages of installing centerline rumble strips in passing zones Better quantify safety effectiveness: • Along different types of roads (e.g. 2-lane highways, multilane highways, etc.)
From page 239...
... B-9 35. May we have the name of an engineer in your agency that we may contact to clarify any aspect of your response or to obtain additional information?


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