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C411
Roadway Shoulder Treatments Rumble Strips

John Poullain, PE

This three-hour online course discusses the design and practices used for roadway shoulder rumble strips (SRS). Course topics include the research, past and ongoing, effectiveness, advantages, disadvantages, and benefits for various types of pavement and roadways. The types, designs and dimensions, guidelines for best applications and installation in new and existing roadways are also covered. State policies and practices are reviewed. One-third of all traffic fatalities is caused by run-off-road (ROR) crashes and two-thirds of these crashes occur in rural areas. Many drivers are falling asleep because of fatigue or alcohol or inattention. Shoulder rumble strips (SRS) effectively alert drivers who are running off the roadway by causing a sudden rumbling sound and vibration of the vehicle. Rumble strips are also used to warn drivers of road changes in order to slow for toll plazas, to change lanes for work zones around a curve or to slow for a curve or traffic signals.

Among the topics covered:

History and development of shoulder rumble strips.
Past and ongoing research.
Areas of concern, which require further research.
Types of rumble strips, and improvements in roadway safety.
Construction in pavements and/or shoulders.
How SRS alert drivers for roadway changes.
Benefits and disadvantages.
Survey of State policies and practices.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.


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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.

AIA Members: You must take the courses listed under the category "AIA/CES Registered Courses" if you want us to report your Learning Units (LUs) to AIA/CES. If you take courses not registered with AIA/CES, you need to report the earned Learning Units (not qualified for HSW credits) using Self Report Form provided by AIA/CES.

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