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INSTALLATION OF SPEED HUMPS
County of Hawai‘i
Department of Public Works
Traffic Division
CURRENT CRITERIA
THE CURRENT CRITERIA USED FOR APPROVING SPEED HUMP INSTALLATIONS INCLUDE:
• Residential local road;
• Posted speed limit not exceeding 25 mph;
• Overall street grade not exceeding 13%;
• Average daily traffic (ADT) between 200 and 3,000 vehicles per day;
• 85th percentile speed over the posted speed limit;
• Minimum 67% support of the adjacent property owners and 100% support of the
property owners with a speed hump in front of their property;
• Support of the installation by the HPD and HFD; and
• Traffic study and design performed by the Department of Public Works.
County of Hawai‘i is an Equal Opportunity Provider and Employer
County of Hawaii
Department of Public Works
Traffic Division
INSTALLATION OF SPEED HUMPS
APPLICATION
NOTE: THE ENTIRE LENGTH OF THE COUNTY HIGHWAY UPON WHICH THE APPLICANT IS
REQUESTING INSTALLATION OF THE SPEED HUMPS MUST BE A LOCAL ROAD IN A
RESIDENTIAL DISTRICT.
DATE:
SUBDIVISION OR ASSOCIATION NAME:
STREET NAME:
DISTRICT:
TAX MAP KEY:
CONTACT PERSON:
ADDRESS:
PHONE NUMBER:
FAX NUMBER:
E-MAIL:
Signature of applicant
My signature indicates that:
1. I agree to be the contact person for the above request.
2. I agree to receive all correspondence regarding this application.
3. I agree to coordinate and attend neighborhood meetings as needed regarding this
application.
4. I am a property owner on the subject county road and live within the speed hump
installation area.
Revised 2/3/09
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County of Hawai‘i
Department of Public Works
Traffic Division
INSTALLATION OF SPEED HUMPS
PETITION
PLEASE CONSIDER THE IMPACTS OF SPEED HUMPS CAREFULLY BEFORE SIGNING THIS
PETITION. THE COUNTY RECOMMENDS THAT THE PROPERTY OWNER EXPERIENCE SIMILAR
INSTALLATIONS ON OTHER STREETS. PROPERTY OWNERS ARE ALSO ENCOURAGED TO
SHARE ANY CONCERNS OR QUESTIONS ABOUT THE PROPOSED INSTALLATION OF SPEED
HUMPS ON THE SUBJECT STREET WITH THE DESIGNATED CONTACT PERSON OR THE
COUNTY TRAFFIC DIVISION OFFICE.
PETITION APPROVAL REQUIRES 100% PARTICIPATION OF THE ADJACENT PROPERTY
OWNERS WITH A MINIMUM 67% SUPPORT OF SAID PROPERTY OWNERS.
I, the undersigned property owner adjacent to: , do hereby petition the County
of Hawai‘i, Department of Public Works, to install or not install speed humps per current County
standards as indicated by my response below on the subject street. My designated contact person
is: , phone number: .
I understand that speed humps may have the following possible effects:
1. Increased emergency response time up to 30 seconds per speed hump;
2. Increased noise levels each time vehicles pass over a speed hump;
3. Prohibited parking;
4. New pavement striping added to the street; and
5. Traffic control signs posted on new steel posts.
Address of property fronted by the subject street
TMK number of property (if known)
Printed name of property owner
I DO NOT APPROVE the installation of speed humps on the subject street.
I APPROVE the installation of speed humps on the subject street.
I DO NOT APPROVE the installation of a speed hump fronting my property.
I APPROVE the installation of a speed hump fronting my property.
Signature of property owner Date
Revised 3/4/2014
County of Hawai‘i is an Equal Opportunity Provider and Employer
W17-1
4' Delineator w /OM2-V marker
30"x30" Sign (optional)
(optional) 12" White pavement marking
centered in lane (typ.)
Edge of pavement
14' 13' • 1'..
•..20' • 18' I 16' I 14' I 12' I 10' 8'..
Speed hump (see Detail 2)100' Hump marking (see Detail 3)
DETAIL 1 Typical Signs & MarkingsScale: 1·=40'
H _[ 6'
SECTION B-8 l
A--....
Edges of hump to be reheated and rolled by others Tock coat and pave existing surface
A--_,
13' .I
DETAIL 2 SECTION A-A DETAIL 3 Speed Hump Hump Marking Scale: 1•=4' Scale: 1''=4'
SINUSOIDAL PROFILE OF HUMP
DISTANCE (FT) 0.00 0.82 1.64 2.48 3.28 4.10 4.92 5.74 6.50 H (IN) 0.00 0.12 0.47 0.98 1.57 2.17 2.68 2.95 3.00 0.00 0.14 0.55 1.14 1.83 2.53 3.13 3.44 3.50
SPEED HUMP STANDARD
DETAILS TR-15
DATE: 6/6/08 SCALE: Varies APPROVED:
TRAFFIC DIVISION ----------
COUNTY OF HAWAII