􀁾􀂷􀂷􀀠D 
April 19, 1994 Mr. Ron Whitehead City Manager Town of Addison P. 0. Box 144 Addison, TX 75001 Dear Ron: Ray Williamson 14861 Oaks North Place Addison, TX 75240 (214) 350-7792 RECEIVED
I APR 15 001 CITY MANAGER Pursuant to our conversation regarding street bumps in the Oaks North development, I am enclosing a proposed location for the traffic inhibitors (bumps). I
appreciate your cooperation in implementing this request as soon as possible. rsonal regards, Enclosure 
\ CITY )!:NGINEER'S OFFICE (214) 45<1-2886 Post Office Box 144 Addison, Texas 75001 16801 Westgrove M E M 0 R A N D U M October 19, 1992 To: Ron Whitehead, City Manager From: John Baumgartner,
Director of RE: Road Hump Policy .-Revised Attached is a draft copy of a road hump policy prepared for Council's consideration. The significant features are as follows: A. Homeowner's
Responsibilities: l. Homeown.er' s thirds of supporting submit a petition from a the residential dwellings the installation. minimum of twoon the street B. Staff 1. Assist interested
citizens through the process. 2. Determine if the street qualifies for road humps based on speed and geometries. 3, Approve location. 4. Provide names and addresses of the property owners
on the street. 5. Notify adjacent property owners within 200 feet. 6. Schedule the public hearing. 7. Install the road humps if the site is approved by council. C. Counci 1 1 2 3 Conduct
a public hearing. Vote to approve/reject the proposed installation. Determine if the city will provide funds for the installation. Staff recommends council consider a resolution '3.dopting
this policy. /rb 
\ ROAD HUMP POLICY AND INSTALLATION PROCEDURES FOR RESIDENTIAL STREETS TOWN OF ADDISON OCTOBER 1992 
\ ROAD HUMP INSTALLATION POLICY A. GENERF.L Road humps are an effective and appropriate device for safely reducing vehicle speeds on certain types of streets when installed in accordance
with the provisions of this policy. In order for road hump installations to be effective, they. should be 1 ocated sel ecti vel y in accordance with defined transportation 􀁥􀁮􀁧􀁾􀁮􀁥􀁥􀁲􀁾􀁮􀁧􀀠
criteria for the purpose of ameliorating documented speeding problems. Proper installation will also minimize driver frustration and encourage 􀁳􀁡􀁦􀁾􀀠driving practices. This policy
promotes reasonable opportunities for residents and property owners most affected by a proposed road hump to participate together in the process that leads to its installation. · B.
DEFINITIONS For the context of this policy only: APPLICATION for road humps include the petition; LOW DENSITY RESIDENTIAL DWELLINGS include single-family houses. townhouses, duplexes,
triplexes and fourplexes; ROAD HUMP is a geometric design feature of a roadway, consisting of a raised area in the roadway pavement surface extending transversely across the travel way,
whose primary purpose is to reduce the speed of vehicles traveling along that roadway. SPEEDS are 85th percentile speeds; STREET refers to the street length that must be petitioned.
It is a 1000 foot segment generally centered on the location of the humps, or the lengt:h of the block, whichever lS greater. If the 1000 foot segment extends into any part of an adjacent
block, it includes the entire length of the adjacent block, unless separated 􀁾􀁹􀀠 an 􀁩􀁮􀁴􀁥􀁾􀁶􀁥􀁮􀁩􀁮􀁧􀀠 thoroughfare, traffic signal or offset intersection. 􀁾􀀮􀀠 ELIGIBILITY
REQUIREMENTS All of the following criteria must be satisfied for a streec to be considered eligible :ar 􀁾􀁯􀁡􀁤􀀠 hump installation. 
' l. Petition A petition that documents that a minimum of two-thirds of the households in low density residential dwellings on the street support its installation. 2. Location Of The
Street The uses on the street where the road hump is proposed must be composed primarily of low density residential dwellings. 3. Operational Characteristics Of The Street a. The street
must be used to provide access to abutting low density residential properties (local resiaential street) and/or to collect traffic for such streets (residential collector). b. There
must be no more than one moving 1 ane of traffic in each direction. c. Traffic volumes must be more than 500 vehicles per day but less than 8000 vehicles per day. d. Veh;i.cle speeds
must equal or exceed the Speed Criteria of 5 miles per hour {mph) over the posted speed limit. e. The street must not be an identified primary route for emergency vehicles: this refers
to a route that is heavily used due to the proximity of the emergency vehicle facility. These rouces are subject to change. 􀁾􀀠 The stceet must have a speed limit of 20 tc 30 mph as
detecmined in accordance with State Law. 4. Geometric Characteristics Of The Street a. b. The street must have adequate sight distances to safely accommodate the hump as determined by
the Department of Public Works. The street must not have curves or 􀁾􀁲􀁡􀁤􀁥􀁳􀀠 that prevent safe 􀁾􀁩􀁡􀁣􀁥􀁭􀁥􀁮􀁴􀀠 of the humps. Humps may be located en streets that contain 􀁣􀁵􀁲􀁾􀁥􀁳􀀠
􀁾􀁮􀁤􀀯􀁯􀁲􀀠 grades. but the hump itself must noc be located «i thin a hcr:=ontai cur,;e, on a verticai grade ·Jreater than S% or en their immediate approaches. The street must be
paved. If there are no curbs, a special design 􀁾􀁵􀁳􀁴􀀠 be 11sed to prevent vehicle runarounds. 
\ d. The elevation of property adjacent to a hump location must be above top of curb, as determined by the Department of Public Works, to minimize potetitial flooding due to the presence
of the hump in the roadway. D. COST RESPONSIBILITY The cost for the ·road· hump installation (including signs, pavement markings and, if necessary, special design features such as curbing
or guard rail) will be provided by the Town if approved by the council. E. ROAD HUMP REMOVAL AND ALTERATION The process for road hump removal or alteration by residents is the same as
the process for installation. F. ROAD HUMP LOCATION The Public Works Department will determine the actual location of the road humps. G. DESIGN STANDARDS AND PROCEDURES The Public Works
Department shall prepare and maintain current design standards and installation procedures for road humps in accordance with this policy. H. REASSESSMENT The Town staff will reassess
this Policy on an annual basis for three years. The first reassessment is due on year after the installation of the first road hump under provisions of this Policy. 
\ PROCEDURES FOR ROAD HUMP INSTALLATION 1. The initial request for the installation of road humps must originate from the residents living on the street or the City Council. A request
in writing from a resident, representative, or the Council must be forwarded to: Road Hump Program City Engineer P. 0. Box 144 Addison, Texas 75001 2. A preliminary determination of
eligibility based on available traffic data will be made in a timely manner. A. If the street is applicant(s) will reason. determined not be notified in to be eligible writing giving
the the B. The decision may be appealed in writing to the City Manager within 15 days of the notification date. The City Manag.er wi 11 review the determination and respond to the applicant(s)
within 30 days of the appeal request. C. If the street is determined to be eligible for conside·ration, a meeting will be arranged between the applicant(s) and staff to define the petition
area and the approximate road hump location range. The applicant(s) will be instructed to submit a petition indicating that a minimum of two-thirds of the low density dwelling households
on the street support the installation of road humps as provided in the Road Hump Policy. Only petition forms supplied by the Town or exact duplicates may be used for this purpose. 3.
After verification of the petitions, the Engineering Department will conduct the necessary transportation engineering studies and solicit comments and recommendations of the other agencies.
A determination of the street's eligibility for road hump installation will be made in a timely manner, based on the Road Hump Policy. A. If the street is determined not to be eligible
for road hump installation, the applicant(s) will be notified in writing giving the reason. B. The decision may be appealed in the same manner as in Section 2. C. If the street is determined
to eligible, the street will be placed on a list of streets eligible for road hump installation. 
4. The Public Works Department will make a determination of the total installation cost. 5. Once eligible for road hump installation, owners of real property lying within the notification
area will be notified of the action by the Public Works Department. The notification area consists-of the area within 200 feet of the boundary of the street. The measurement of the 200
feet includes streets and alleys. The notice will include a return form to indicate support ·or objection to the proposed installation. 6. After 15 days from the notice, a public hearing
will be held at the next regularly scheduled city council meeting. Notification of the hearing will include the applicant(s) and owners of real property within the notification area.
In addition, a reasonable effort will be made to notify each low density residential household along the street and area neighborhood associations of the public hearing. 7. At the Public
hearing the Council will determine if installation is warranted and if the City will provide provide funds for the installation. the the 
The undersigned hereby peti.tion fat· t·oad humps on____________________ _ __ between ______________________ and________________________ I undet·staJld that sig11i.11g this petition
does not obligate me to financially participate i.n tl1eir cost. Return petitior1 forms to: Road Hump Program, City Engineet· P.O. Box 144, Addison, Texas 75001 􀁁􀁄􀁄􀁆􀁾􀁅􀁓􀁓􀀠 NN1E
3IGNATUfiE ( PL:3 _ PfUl'-!T) I0 HOI"E 􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀱􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀂷􀂷􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀮􀁬􀀭􀀭􀀭􀀭􀀭􀀭, ----____ L _____________ 􀁾􀀠 l ---------·-------;------i l ------!·--------------
, 􀀭􀀭􀀭􀀭􀀭􀀭􀁩􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀠 ·-·----!----·-·-·--·-·· .. 􀀭􀀭􀀭􀁾􀀠 ---____________ ; ______________________________ ;___ ·--.. -----1----··--·-··-·-------f
._i ----------.. 􀂷􀀭􀀭􀂷􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭 .. 􀂷􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀂷􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀂷􀂷􀀭􀀭􀀭􀀭􀀭􀁟􀁟􀀩􀁟􀁟􀀬􀀠___________ ,,,._, .....
____ f ----------1-----, l ---------1-----. l -------j _____ , _______ _ i ·------·---------! i ··-·t ----··---------· ------;----------------_____________ j 􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀀭􀀭􀀭
--!--------.. -·''1_-_---------.. -.. -·-·-·--------! --+·-·-·------.. ----. ______! -----------! ' ----; ---------------i. ' _________ __L _____ _ -----------' .. 􀁗􀁾􀁬􀁾􀁾􀀠 IS THE
CONTACT PERSON FOR THIS REQUEST 0 _______________________________ _ ADDRESS PHONE PLEASE RECORD ALL UNOCCUPIED (VACANT) DWELLINGS IN THE PETITION AREA AND IF THERE ARE ANY SCHOOLS, PARKS,
CHURCHES AND INSTITUTIONS ON THE STREET. THAN I< YOU_ 
.;:.$ 1:1 /JIIIo\1 􀁕􂀢􀁬􀁬􀁬􀁬􀁬􀁬􀁬􀁾􂀢􀁦􀁬􀀺􀀬􀀠 11•1; I,,, ••'t I, '" -.;• ''''''' 1/ttl\ll 11\IMI' III:.IIAUAIIIt/f; ).11/SI Ul l:Oti:On•IIIILI I·LL II .o'.Lir,l-111\::t:. I loll
Ul'llt-4111 IIIICIIVI)IIS5. l!:ifllAI(U 11\Jt,il'!; I'IIIIVIIII I•IU' t'lolltl ':1'1111 I!EOUCIIOtiS AND 00 fiOI ACHIEVE AN OYUW.L !)I'LLII HLIIUCIIC,N 1::/HI.:I. Slfr DETAILS SIIOULU
II( TH£ OOMINANI CUNSIUt.:HAIION IN (tr:JWMINING 111[ A.CIUAL LOCATION ron EACII ROA.O IIUMP RAIII[R TitAN AN (XACI SEPARAnON DISTANCE. THE fOLLOWING 1101$ SHOULD U[ IAK[N INTO CONSIOERA
nON 'MfEN LOCA nNe IHE ROAD IIUI.iPS. I, 00 NOT LOCATE THE 􀁈􀁕􀁾􀁐􀁓􀀠OllER f.tANHOlES, GATE VALVES. UJIUT'I' VAULT ACCESSES AND SIMILAR fEATURES. 2. If A DRAINAGE INLET IS NEAR 'M-IERE
A ROAD IIUJ.(P WOULD Bf: PLAC[Q ACCORDING TO THE GENERAL SPACING CRITERIA, ATrEMPT TO LOCAlE THE HUMP JUST OO'M.ISmEAI-4 Of' DIE INLET. J, LOCATE HU!.4P TO TAKE ADVANTAGE Of EXISTING
STREET UCIIflNG. oi. LOCATE HUMP TO PROVIDE AOECUAT£ SIGHT DISTANCE TO MQTOiliST. DO NOT LOCAl£ MTHIN A HORIZONTAL CURVE. 5. DO NOT PLACE HUMPS AT ORIVEWA'I'S; 6. LOCAlE HUMPS ON PROPERTY
UNES, RATHER THAN RIGIIT IN FRONT or A RESIDENCE. If' POSSIBLE 7, DO NOT LOCAl[ A ROAD fiUMP BEMEN ENOS OF' A LOOP DRIVF.WAY niAT PRESENTS AN A TlRACniJE RUNAROUJ.,IO ROUTE. 13. Til[
ROAD /lUMP SHOULD BE PLACED PERPENDICULAR 10 Ill[ DIRECnON OF' mAVEL 9. DO NOT LOCA 1[ A ROAD HUMP Will-liN SO FEET OF AN 􀁉􀁎􀁔􀁅􀁲􀁴􀁾􀁅􀁃􀁔􀁉􀁏􀁩􀁴􀀠 10. IF' TilER( ARE NO CURBS,
PROVIDE ALTERNATE MEANS TO DISCOURAGE RUNAROUNDS. ---------------TYPICAL LOCA liON " 􀁾􀀠... "' A 􀁾􀀠"' 1-B 􀁾􀀠I= tl "' . , -I , 1/lJIIO 1111!.11' -:7 ;;/?}./.77;;/77//􀀬􀀻􀀻􀁾􀀻􀀠1/;77
􀀻􀀭􀀻􀀻􀁾􀀧􀀩􀀯􀀿􀀷􀀠􀀻􀁾􀁲􀀻􀀻􀀻􀀭􀀻􀀻􀀻􀀠􀀺􀀻􀀻􀁦􀀺􀀻􀁦􀁊􀀻􀀬􀁦􀁦􀁦􀀻􀁦􀁦􀁦􀀻􀁦􀀻􀀯􀁦􀀡􀁦􀁴􀁦􀁦􀀺􀀡􀁦􀁾􀀯􀀿􀀩􀀰􀀠􀀧􀁦􀀡􀁦􀁦􀁴􀁦􀁦􀁦􀁦􀁦􀁦􀁦􀁦􀀡􀁦􀁬􀁦􀁦􀁦􀁦􀁪􀁪􀁽􀁦􀁦􀀯􀁦􀁦􀁪􀁪􀁦􀁦􀁪􀀯􀁾􀀠􀀺􀁻􀁦􀁪�
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�􀀭 ./L/. .. . //• __ ,_,c/_, _ _,j/.:_ • .. ///,L ..:-J Pl. AN r • } B (/] "' () ::; () }• I )• WI THIN STREET ""_ .,.. __ --j l ) m I .,. ., 1 \ 􀀭􀀬􀀻􀁾􀀻􀀮􀀱􀀱􀀠 􀀨􀁾􀀠􀁾􀀧􀁕􀀮􀀮􀁾􀁾􀁾􀁾􀀮􀀮􀀬􀁾�
�􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀀠 ONE """"-r . 1 1 SINGLE SHORT 150-150'-__.., BLOCK 1--􀀺􀀱􀁾􀀠 􀀺􀀱􀁾􀀠 SECTION IJ-8 1-------􀁾􀀭 1'o' ..... l ) r----􀁾􀀠1!1 TWO """··-r 1 􀁾􀀭􀀭􀀭 1 SINGl£ loiOOERAT[-.,__1'0'-200
"-!5o'----LENGTH BLOCK 200' JSO' 2oo' 􀀱􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭 no'-12011' 􀁾􀀠 l ) m m m niREE HUMPS-r l __j_ l SINGLt LOIIG 1---150'-n,·_ 11,._ 􀁾􀁾􀂷􀀭 -1 DLOCKS 􀁾􀀰􀀰􀀧􀀠 eoo· ---􀁾􀁯􀁯􀂷􀀠
2oo· --TYPICAL ROAD I-lUMP DESIGN •. 
--· 􀂷􀀭􀁾􀀭􀂷􀀭􀀭􀀫􀀭􀀭􀀭􀂷􀀭􀀭􀀭 -· ·:___ -fk 􀀺􀁭􀁾􀀭􀀬􀀭􀁟􀀽􀀡􀁁􀀺􀀠􀀮􀀭􀁾􀁾􀀭􀀺􀀺􀀭􀁝􀀠 'W;-: .. 􀁾􀀠􀁾􀀠.... "IIlii( ,. I r •m 1\ /􀁾􀁲􀁣􀁲􀁾􀁾􀁜􀁖􀀯􀀠 \V, 􀁾􀀱􀀯􀀱􀁾􀀱􀀠 􀂷􀀭􀀫􀂷􀁾􀁾􀀭
TYPICAL MARKINGS WB-1 1!1"' • 24"' SIGN INSTALLATION "A" IIUMPMARK OJ-28-91 WIJ-1 ur • 24" SIGN INSTALLATION "8" 􀀭􀀮􀁾􀀠l TT l··· 􀁾􀀠 ''"' m-m__[_ 􀁌􀀬􀀭􀁾􀀭􀀭􀀭 􀁭􀀭􀀭􀀭􀁾􀀠 􀁲􀀺􀀺􀀺􀁾􀀠
l '·•"' ·----:') .... L 􀁾􀀠.•. 'If TYJ>JC/\L SIGJ·.J LOCI\ TIOI·J"; tiOI(S: 1. I OH /10/IIIWAYS GI![AI[It lltAII .10' Ill Willi II, 􀁉􀁎􀁃􀁒􀂣􀀯􀀱􀀮􀁾􀁛􀀠 WIJ IO Jr;" X Jr.", WO·· I
10 2"" X 2'1" 2. ron MIJLII IILOCK LOCAIIOilS. lllCI.UDE "NEXI X BLOCKs" 􀁓􀁉􀁇􀁉􀁾􀀠 Al "A" 11151ALIATIONS J. NTIX Tt:MPORAI1Y RED FlAGS TO WB SIGNS Al "r•.; 1/lSlAllATIONS 4. INSTAll
"0" SIGNS AS API'IlOPRIAIE ---------· TYPICAL SIGNING AND MARI<INGS 􀁆􀁏􀁉􀁾􀀠 IWAD HUMPS ' 
---·-· -c:: ;:: " 􀁾􀀠> .--􀁾􀀠0 z· ' 0 ' z i 􀁾􀀠 l 􀁾􀀠 ! 􀁾􀀠 I 􀁾􀁾􀀠I : 􀁾􀁾􀀠I • I -I j :. __j_! ; I ! ;-'''f G I C. l_ ..___ < I 􀁾􀀠 . . · 􀁾􀀠 \ I --r--1-:::J ! _.....L...-._::J
I I ? ; -. 
··_ j ; ' <o<o Q q 0> yg "' i.u 0.9 􀁾􀀠 • i I '-: ; L9 􀁾􀁾􀀠 i-99 􀁾􀀹􀀠 I -:;-I I I ' ' l"" gg ; ' l .• 1jl _.;· . ..,.., .... --..o-' ;..-;:.:; "' , "' •::: '<o 69 ' ' ' I I OS -0,_..
> .01 'LL2 I 
ROAD HUMP PETITION ·.ThE• 􀁵􀁮􀁤􀁣􀀺􀀡􀀭􀁲􀂷􀂷􀂷􀁾􀀺􀀺􀀻􀁩􀀹􀁮􀁣􀁾􀁤􀀠 􀁨􀁥􀁲􀂷􀀨􀁾􀁢􀁹􀀠 P(·?·r -i.ion 􀁦􀁯􀁾􀁾􀀠 r·o.ad humps on ---··--.. ·----·-·--·-··--·--· .. ··-· 􀁢􀁥􀁴􀁬􀀮􀁊􀁥􀁣􀁾􀁮􀀠
_____________ and________ _________ I understand that signing this petiti.or1 does ll!Jt obligate 1ne to financially parti(:i.pate i.n tl1eir cos·t. Return petition forms to: Road Hump
Program, Ci.ty Engineer· P.O. Box 144, Addison, Texas 75001 ------------------------... 􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭
__________ .. __________________ .. _ .. __________________ , __________________________________ 1 ____ .. _______________________________ ! __ ADDRESS NAME SIGNATURE _•,t PHONE ( I0
I ... S _ F'IUI,IT) ! ; r-----------------------------------------------------L _____________ --------------------------------------l-------------------------------------;_1---------------------1
L. ____________________________________________________________ .. ,_J J ____________________________ ...... 􀀭􀁾􀀠.. --·-·-""""'"""--"------·--·-·-·-··-·J_ .. _, ______ ,_, __ ,_,,
.. ------·-·-··---··-···---·-j"---·---·-·--·--·-·--·-·---.. -·------.. 1 ! , I i·-----·-·--.. 􀀭􀂷􀀭􀂷􀀭􀂷􀀧􀀢􀀧􀀧􀀭􀀢􀀢􀀢􀀢􀀭􀂷􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀀭􀂷􀂷􀀭􀂷􀀭􀁾􀀭􀀭􀂷􀀭􀀭�
�􀀭􀀭.. -·-.. -----.. -·----·-·-·-·-·-·-·-·-·"---.. -·---··-·--·----·t-·--·-.. -... -... --.. ------·-.. ·-·-.. --.. 􀀭􀂷􀀭􀂷􀀭􀀢􀀭􀀱􀂷􀀭􀂷􀀭􀂷􀀭􀂷􀀢􀀭􀀢􀀧􀀢􀀭􀂷􀀭􀂷􀀭􀂷􀀭􀁾􀀠 ! I !
i 􀁾􀀭􀀭 .. -------""""'""""""' ___ ,_, ______ ,,_, __ , ____ , ________ ;,, _________ , _____ ,_,_,_,. ____ ,_, ........ ,_,_, ________ ,_,,, .. 􀁾􀀭􀂷􀀭􀂷􀀭􀀭􀀭􀀭.. -·------------·-................
................. l_, __ , __ ,, ____ ,_,,_ ..................... _ ........... 􀁾􀀠 t,_. _____ ,,_,, _________ , ___ , ____ ,, _________ 􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀁴􀀠...... _____ , _______
, ____ ,_,_, ___ ,, __ ........................... ___________ ,.J ____ ,_, ____ , _____ , _ ,, ______ ................................. -... ! .. ___ , ____ . ____ ,,,, ___ ,_,_ ..
,_, ___ ,, __ 􀀬􀁟􀁾􀀠 : .... ·-·---·-·-·---·--·----·--·--·-·-·-·-· -----------------f--------·--·------·---·-·--------·---·-·------·------------·-+-------------------·----·----·-·-·--·-·----1-------
--------·--··--···-····-····-···--····-i r l j ) i L. _____ , .................... ------··-------·---.. -.... -----·----·-·----.. --·-+·-.. ·--·--"---.. --····---·---·-----·-··-.. ·-·-..
--... -........... ---·--··---··l..,. __ , __ , _____ , __ , __ ,_, __ , _____ ,, ____ ,.,,_,,_,, __ L,,, __ , __ ,_,_, __ ,,, ........... _,_,_,., ........... _, ___ l ' L.------·--·--·-..
-·-·------·-·-·----.... ·----·-·-.. -·-·----------·-·1-·-.. ----.... --------··-·----···--.. -·-·-·-............... ----.. --.. ·---·-·--.. --}-·-·----·--·-·-.. --.... ···--··-·-------..
--....... -.. 􀀭􀁾􀀭 .. ---·----------·-·-------.. -.. -·--·-' . i j 􀁾􀀠 j I ! T 􀁾􀀭.. -.. ------.. -------·-----·---·-.. -----·---.. ------.. -·--.. -·-..;.--.. --------·-·--.. ---·-·--..
·---------·-· .. ----·--·--------------------t-·-----·---.. ------·-·--.. --·-.. ----·--·-----T---.. ·----.. -............... --··-------· ,_,,,.,_, ___ , _______ , ____ , ______ , ______
, ___ 􀀬􀁟􀀬􀁾􀁟􀀬􀁾􀂷􀀭.. ---·----··-.. -------.. ------·---·---------.. -----... -J, ________ , ___ ,_, __ , ___ , __ , _______ .,l_, ___ , _____ , ____ . ____ , _____ , ___ j i i
. i ; . 􀁾􀀠 j ! i .! .... -----··-····-·-i I ! ! ......... -----·--·--·-·--·-·-·--·-·-----.... ------r----·--.. -·-·-.. ----.. --------.. ---·------.. ----.. ·--· .. -•·-.. ·-··--------------..
--.. -------·t--·--....................... ______ ... _ .... _. __ ,1 ! ; i ! i i i I L ..... _ .. __ ,_,_,, __ , ____ ,,_,_. ___ ,, __ ,_ .. ___ , _____ , ____ ,,_, ____ { .. -·--..........
---·-·-----------·--------.. 􀀭􀂷􀀭􀀭􀀭􀂷􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀂷􀀭􀀭􀂷􀀭􀀭 .. ----·--.. -·---------·-----.. -\.---·-----·-.................... --·---1 L _______________________________________________
_ i---------------------------------------------------1-------------------------------------..!-------------------·--·----------; l ____ , ___ .. ____ ,_, ____ ,, ____ , ________ , ________
.. _[ _________ , __ ,__ i i j i 1 ......... --.. ----·-·-·--·--.. --·-----·--·---.. 􀀭􀂷􀀭􀀭􀂷􀁾􀀭􀂷􀀭􀂷􀀭􀂷􀀭􀀭􀂷􀀭􀀭􀀭􀀭􀀭􀀭􀀭 .. ____ ,,_, ___ , _____ , __ 1_,_,_,_, __ ,, ________
,_, __ ,, __ , ___ ] 􀁴􀀽􀀭􀀽􀁾􀀽􀁾􀀭􀁾􀀭􀁾􀀽􀀺􀁾􀀭􀁾􀀺􀀽􀁾􀀭􀁴􀀽􀁾􀀭􀁾􀀺􀁾􀀭􀁾􀀭􀀽􀁾􀀺􀁾􀀭􀁾􀀽􀀭􀁾􀀭􀁾􀀭􀁾􀀺􀁾􀁴􀁾􀀽􀁾􀀭􀁾􀀽􀁾􀀭􀁾􀀭􀁾􀀺􀁾􀀺􀁾􀀭􀁾􀀽􀀺􀁾􀁴􀁾􀀺􀁾􀀺􀁾􀀭􀁾􀀺􀀭􀁾􀀭􀁾􀁪􀀠I
I l I ! 􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀂷􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀂷􀀭􀀭􀀭􀂷􀀭􀀭􀂷􀀭􀀭􀂷􀀭􀂷􀀭􀀭􀂷􀀭􀀭.. -----·f---"·--·--------·--·-.. ·---·--.. ___ , ______________ ,_J._, _____ ,
___________ , _________ ,, ____ .f ________ _:_ __ ,. _________ /' > > ! I I I i i i i l i r·--·-·--·""'""""'"'-------·---·----·-·---------·---.. -··----1--·----·----------.. --.---..
·---·---·-·--·------.. ---·!--·----·------·--......... ---·--"----.... 􀀭􀀭􀀭􀂷􀁾􀀭􀀭􀀭.. --.. --------··---.. -------·-r· L_, ___________ ,_,, ____ , __ , ___ ,, _____ ._, ___________
,_,_,_l ______ ______ ._,_,,_,, __ , __ ,, ____ ,,_,_, ______ . __ ,_,,_ ! ---------------·-------·------------L._, __ , __ ,_ .. _ .. __________ ,_" WfiO IS "T"HE: COI,ITAC:f 􀁉􀀢􀁅􀁉􀀧􀀱􀁓􀁏􀁉􀁾􀀠
1'.-0I'l ·rHIS 1'1l':OlJ[3T') ______ --···---------·-··--_______________ ··-------------·-·------· ADDRESS ____________________ _ ...... ________ .... ____ ·-·· _____ ....... __ ...................
__ I'' 1-101\1 E PLEASE RECORD ALL UNOCCUPIED (VACANT) DWELLINGS IN THE PETITION AREA AND IF THERE ARE ANY SCHOOLS, PARKS, CHURCHES AND INSTITUTIONS ON THE STREET. Tl-l!\l,ll< YOU ..

CITY ENGINEER'S OFFICE (214) 450-2886 Post Office Box 144 Addisoo, Texas 75001 16801 Westgrove M E M 0 R A N D U M October 19, 1992 To: Ron Whitehead, City Manager From: John Baumgartner,
Director of Public 􀁗􀁯􀁲􀁾􀁊􀀠 RE: Road Hump Policy -Revised Attached is a draft copy of a road hump policy prepared for Council's consideration. The significant features are as follows:
A. Homeowner's Responsibilities: 1. Homeowner's submit a petition from a thirds of the residential dwellings supporting the installation. minimum of twoon the street B. Staff 1. Assist
interested citizens through the process. 2. Determine if the street qualifies for road humps based on speed and geometries. 3. Approve location. 4. Provide names and addresses of the
property owners on the street. 5. Notify adjacent property owners within 200 feet. 6. Schedule the public hearing. 7. Install the road humps if the site is approved by council. C. Counci
1 1. Conduct a public hearing. 2. Vote to approve/reject the proposed installation. 3. Determine if the city •,;ill provide funds for the installation. Staff recommends council consider
a resolution "-dopting this policy. /rb 
. . ... I· 6' FULL DEPTH SAW CUT CONSTRUCT 10"SPEED HUMP . 12' . 6' II REMOVE EXIST.6+/-CONC. PAVE. SECTION A A -􀀭􀂷􀀭􀁾􀀭 -_,,, . --. ··-· . . ..... ..., 0 EXISTING CURB DRILL HOLES
AT 18" CTRS INSTALL W/No. 3 BARS. ·GROUT IN PLACE W/A103 ·EPOXY · · · ·"•. . ALONG ENTIRE LENGTH. . ..-.. 1.5·L -... 􀁾􀀠.: ·.. . . ... : .. EXIST. PAVEMENT I FINISH SHALL N OF I AT
PERIMETER OF 'ORM TO TOWN .. • . ·.d W . 611 No. 3 BARS AT 18" CTRS . (TYPICAL) SECTION 8 8 SPEED HUMP DETAILSADDISON, TEXAS .-. 
A .-,• u 30" CTRS .. TYPE 1-C REFLECTORIZED PAVEMENT MARKER lO 􀀬􀀭􀀭􀀭􀀮􀀭􀀭􀀭􀀭􀀭􀀼􀁲􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀁾􀁲􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀫􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀮􀀭􀀭􀀭􀀭􀁾􀀮􀀭􀀭􀀬􀀭􀀭􀁾􀁾􀀠B
B • I 1 TYPE 1-C REFLECTORIZED lO PAVEMENT MARKER ' -I. --, .1. A I ..., .I 0 G-' u .,I. ,I, . I I .... "' 1.5' 3' 18'. 5 I 3' 1.5' . 1.5' 3' I. 􀁾􀂷􀀠 18'. 5 1.5' . i' 'I . ..., u 4·••
I I D) j/7\/... 7-{;r { /z A 􀀭􀁾􀁩􀀿􀀠 ? c z·. 7-·z::z .. 10". PROP. SPEED HUMP EXIST. 6" CONC. ·PAVE. TO BE REMOVED FULL DEPTH SAW CUT OCONr-<t'-COI.OCOt'-rlN«<O O'<t'O""'<f'alN-.DO""Nll'lt'-COO
􀁾􀁾􀁾􀀮􀀮􀀮􀀺􀀮􀀮􀀮􀀺􀁾􀁲􀀭􀀮􀁩􀁎􀁾􀁍􀁍􀁍􀀮􀀮􀀻􀀠 ...._ 4 11 SPEED HUMP I I. L H u H H u (DIRECTION OF TRAVEL) .-. ,-.. 􀁾􀀭􀀮􀀭􀀮􀀭􀀭􀀧􀁊􀁈􀀭􀀮􀀠tn .rr t"JlTI n: 􀁾􀀭 · .. 􀁾􀀠· :
, : · ·: :;· 6!'+ TYP' "--" 􀁾􀀠. ·· · .. '. ,. ·•. ·: .. •· .· . . . .1 .. 1 ·•• ' • • • : ' •••• ••• • 6' . 􀁾􀀠 EXIST. CONCRETE · -24 -FULL DEPTH SAW CUT NOTES : 1. CONCRETE STRENGTH
ANC BE AS SPECIFIED BY TOW! ADDISON. . 2. CONSTRUCTION 􀁊􀁏􀁉􀁾􀁩􀁔􀀠 (cJ; SPEED HUMP SHALL CONF OF ADDISON DETAILS.· i. 
<,..,. o· t I 88 􀁾􀀻􀀠 87 I i I I I + T 86 , I 'I ! ; I -l!-' --60 "' 84 "' 85 "' 􀁾􀀠 "' 6'0 __ 􀁾􀁾􀁹􀀠 "'vy/<"'.y. ' 􀀮􀁾􀀬􀀧􀁤􀀢􀀧􀁯􀀠. .., ' 61 􀁾􀀠"' '' r;' ;,., -'-7939'-/IS
c; 
ROAD HUMP POLICY AND INSTALLATION PROCEDURES FOR RESIDENTIAL STREETS TOWN OF ADDISON OCTOBER 1992 
ROAD HUMP INSTALLATION POLICY A. GENERAL Road humps are an effective and appropriate device for safely reducing vehicle speeds on certain types of streets when installed in accordance
with the provisions of this policy. In order for road hump installations to be effective, they. should be 1 ocated sel ecti vel y in accordance with defined transportation engineering
criteria for the purpose of ameliorating documented speeding problems. Proper installation will also minimize driver frustration and encourage safe driving practices. This policy promotes
reasonable opportunities for residents and property owners most affected by a proposed road hump to participate together in the process that leads to its installation. · B. DEFINITIONS
For the context of this policy only: APPLICATION for road humps include the petition; LOW DENSITY RESIDENTIAL DWELLINGS include single-family houses. townhouses, duplexes, triplexes
and fourplexes; ROAD HUMP is a geometric design feature of a roadway, consisting of a raised area in the roadway pavement surface extending transversely across the travel way, whose
primary purpose is to reduce the speed of vehicles traveling along that roadway. SPEEDS are 85th percentile speeds; STREET refers to the street length that must be petitioned. It is
a 1000 foot segment generally centered on the location of the humps, or the length of the block, whichever 1s greater. If the 1000 foot segment extends into any part of an adjacent block,
it includes the entire length of the adjacent block, unless separated by an intervening thoroughfare, traffic signal or offset intersection. C. ELIGIBILITY REQUIREMENTS All of the following
criteria must be satisfied for a street to be considered eligible :or 􀁾􀁯􀁡􀁤􀀠 hump installation. 
l. Petition A petition that documents that a min1mum of two-thirds of the households in low density residential dwellings on the street support its installation. 2. Location Of The Street
The uses on the street where the road hump is proposed must be composed primarily of low density residential dwellings. 3. Operational Characteristics Of The Street a. The street must
be used to provide access to abutting low density residential properties (local residential street) and/or to collect traffic for such streets (residential collector). b. There must
be no more than one moving 1 ane of traffic in each direction. c. Traffic volumes must be more than 500 vehicles per day but less than 8000 vehicles per day. d. Vehicle speeds must equal
Criteria of 5 miles per hour speed limit. or exceed the Speed (mph) over the posted e. The street must not be an identified primary route for emergency vehicles: this refers to a route
that is heavily used due to the proximity of the emergency vehicle facility. These routes are subject to change. £. The street must have a speed limit of 20 to 30 mph as determined in
accordance with State Law. 4. Geometric Characteristics Of The Street a. The street must have adequate sight distances to safely accommodate the hump as determined by the Department
of Public Works. b. The street must not have curves or grades that prevent safe placement of the humps. Humps may be located en streets that contain curves and/or grades. but the hump
itself must not be located within a honzontal curve, on a vertical grade ·greater than 8% or on their immediate approaches. c. The street must be paved. If there are no curbs, a special
design must be used to prevent vehicle runarounds. 
d. The elevation of property adjacent to a hump location must be above top of curb, as determined by the Department of Public Works, to minimize potential flooding due to the presence
of the hump in the roadway. D. COST RESPONSIBILITY The cost for the road hump installation (including signs, pavement markings and, if necessary, special design features such as curbing
or guard rail) will be provided by the Town if approved by the council. E. ROAD HUMP REMOVAL AND ALTERATION The process for road hump removal or alteration by residents is the same as
the process for installation. F. ROAD HUMP LOCATION The Public Works Department will determine the actual location of the road humps. G. DESIGN STANDARDS AND PROCEDURES The Public Works
Department shall prepare and maintain current design standards and installation procedures for road humps in accordance with this policy. H. REASSESSMENT The Town staff will reassess
this Policy on an annual basis for three years. The first reassessment is due on year after the installation of the first road hump under provisions of this Policy. 
PROCEDURES FOR ROAD HUMP INSTALLATION l. The initial request for the installation of road humps must originate from the residents living on the street Counci 1 . A request in writing
representative, or the Council must be Road Hump Program City Engineer from a forwarded P. 0. Box 144 Addison, Texas 75001 or the City resident, to: 2. A preliminary determination of
eligibility based on available traffic data will be made in a timely manner. A. If the street is applicant(s) will reason. determined not be notified in to be eligible writing giving
thethe B. The decision may be appealed in writing to the City Manager within 15 days of the notification date. The City Manager will review the determination and respond to the applicant(s)
within 30 days of the appeal request. c. If the street is determined to be eligible for consideration, a meeting wi 11 be arranged between the applicant(s) and staff to define the petition
area and the approximate road hump 1 ocati on range. The applicant(s) will be instructed to submit a petition indicating that a minimum of two-thirds of the low density dwelling households
on the street support the installation of road humps as provided in the Road Hump Pol icy. Only petition forms supplied by the Town or exact duplicates may be used for this purpose.
3. After verification of the petitions, the Engineering Department will conduct the necessary transportation engineering studies and solicit comments and recommendations of the other
agencies. A determination of the street's eligibility for road hump installation will be made in a timely manner, based on the Road Hump Policy. A. If the street is determined not to
be eligible for road hump installation, the applicant(s} will be notified in writing giving the reason. B. The decision may be appealed in the same manner as in Section 2. C. If the
street is determined to eligible, the street will be placed on a list of streets eligible for road hump installation. 
4. The Public Works Department will make a determination of the total installation cost. 5. Once eligible for road hump installation, owners of real property lying within the notification
area will be notified of the action by the Public Works Department. The notification area consists of the area within 200 feet of the boundary of the street. The measurement of the 200
feet includes streets and alleys. The notice wi 11 include a ret urn form to indicate support or objection to the proposed installation. 6. After 15 days from the notice, a public hearing
will be held at the next regularly scheduled city council meeting. Notification of the hearing will include the applicant(s) and owners of real property within the notification area.
In addition, a reasonable effort will be made to notify each low density residential household along the street and area neighborhood associations of the public hearing. 7. At the Public
hearing the Council will determine if the installation is warranted and if the City will provide the funds for the installation. 
􀁰􀁮􀁾􀁄􀀠 HUMP PETITION 􀁔􀁨􀁦􀂷􀀺􀀭􀁾􀀠 􀁬􀀩􀁮􀁤􀁲􀀺􀁾􀁲􀀭􀁾􀀭􀀺􀀭􀀺􀀻􀀠i 􀁾􀀻􀁊􀁮􀀠􀁣􀁾􀁤􀀠 he t-􀁣􀀺􀀭􀁾􀁢􀁹􀀠 􀁰􀁣􀁾􀀠t .i. t .ion -r·o r· r· uad hump:-:::; on ............... 􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭
􀁴􀁬􀀮􀀮􀁊􀁆􀁾􀁣􀁮􀀠 _____________ an I Ulldet-stalld that signing this petitiiJI'l does r1nt cJbligate rn0 ·to financiall.y p;jr·ti.c:i.pate i.11 tl1eir cc1st. RetLJr'll 􀁰􀁥􀁴􀁩􀀮􀁴􀁩􀀮􀁯􀀱􀂷􀂷􀁾􀀠
􀂷􀁦􀁣􀀱􀁾􀁲􀁮􀁳􀀠 to: Rc1ad 􀁬􀂷􀂷􀁬􀁌􀁴􀁲􀁮􀀱􀁾􀀠 Pt-clgt-Etnl, Ci.ty Erlgineet· P.!J. 13ox 􀀱􀀮􀀴􀀴􀁾􀀠 Addi.son, ·1-ex;Js 7!50Cll 􀁁􀁄􀁄􀁉􀁾􀁛􀁓􀁾􀀻􀀠 􀁉􀁾􀁍􀀱􀁆􀀠(I"L.:3_ PIHI,IT)
:'; 􀀺􀁲􀀺􀁲􀀻􀀱􀁾􀀯􀀾􀀮􀀠ru 􀁲􀁾􀁅􀀠 .... 􀁉􀀢􀁈􀁏􀁾􀁉􀁅􀁣􀀺􀁟􀀠... PLEASE RECORD AEE UNOCCUPIED (VACANl) DWELLINGS IN THE PETITION AREA AND IF THERE ARE ANY SCHOOLS, PARKS, CHURCHES
AND INSTITUTIONS ON 􀁔􀁾􀁉􀁅􀀠 STREET_ TH/\1,11< YOU .. 
t I ,. ·i ' I I I c :r r n 11,,, r.Pr uu 􀁲􀁲􀁾􀂷􀀢􀀺􀀬􀀠 1 c ·1• c , " ,, ., , . •, -... 111 ., " IHIAU 􀀱􀀱􀀱􀀱􀁾􀀱􀀱􀀧􀀠 􀀱􀀱􀀮􀁾􀀱􀁁􀁴􀀱􀁁􀁉􀁉􀁦􀀡􀁕􀀺􀀺􀁏􀀠 l,4USI Ut 4:urr.;riiiiUII
1·11 A -•'.lie.• 􀀱􀁾􀀾􀁜􀀺􀀻􀁣􀀺􀀮􀀠 􀀱􀀱􀁾􀀱􀀠 III'UMAI IIIICIM)IISS. 1!1111AT[II 11\JUI':> I'IIOVlld 1•111' l'loll/1 ';1'1111 HEOUCTIOUS AND UO f/01 ACHIEVE AN OVUW.l WLW HLIIIJCJitoN
􀁕􀁾􀁌􀁃􀁔􀀮􀀠 Sl l[ ()[I AILS SIIOULD A£ TilE DOl.41NANI C.:ONSIUt..:I-U.IION IN [Jf. TEHfAININ(; TilE ACTUAl LOCAnON FOR [ACU ROAD IIUWP RATHER THAN AN EXACT SEPARAnON DISTANCE. lHE
roLLOWINC IT[US SHOULD Bt TAKEN INTO CONSIDERA nON WHEN lOCA nNG IHE ROAD HU..iPS. 1. 00 NOT lOCAl[ THE HUMPS OVER fiANHOLES. GAlE VALVES. UTILITY VAULT ACCESSES AND SIUILAR FEATURES.
2. IF" A DRAINAGE INlET IS NEAR ¥MERE A ROAD HUMP WOULD BE PLACED ACCORDING TO THE GENERAl SPACING CRITERIA, ATTEMPT TO LOCAl[ THE HULIP ""-1ST OOWNSIREAM or »>E 1Nl£T. J. lOCATE HUMP
TO TAKE ADVANTAGE Of EXISTING STREET liG!tnNG, 4. lOCATE HUMP TO PR0\110[ ADEQUATE SIGHT DISTANCE TO MOTORIST. 00 NOT lOCATE WITHIN A HORIZONTAL CURVE. S. 00 NOT PLACE HUI.IPS AT DRIVEWAYS;
6. lOCAl{ HUMPS ON PROPERTY UNES, RATHER THAN RIGIIT IN FRONT OF A RESIDENCE, IF POSSIBLE 7. 00 NOT lOCATE A ROAD HUMP BET\II£EN ENDS OF A LOOP DAIVF:WA Y Til AT PRESENTS AN A Tll1AC11VE
RUNAROUND ROUTE. e. TilE ROAD HUMP SHOULD BE PLACED PERPENDICULAR To lilt: DIRECTION OF TAAVEl 9. 00 NOT lOCAlE A ROAD HUMP WITHIN 50 FEET OF AN INTER5ECnON. 10. IF THERE ARE NO CURBS,
PR0\10[ ALl[RNATE MEANS TO OISCOUAAG[ RUNAROUNDS. TYPICAL LOCA liON WITHIN STREET ""'_ ,... __ ___, l J Ill ONE HUMP-I ,---I SINGLE SHORT 1-----1!.0'-150':-------1 BLOCK :1!.0' :1.50
" " '·' w "' n 􀁾􀀠􀁾􀀠 !--------e:oo·-􀀷􀁾􀂷􀀠---------1 l 􀁾􀀭􀀭􀀭􀀬􀁾􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀁾􀀭􀀭􀀭􀀭􀁾􀀠 SINCl£ IAODERAI£-.___I:W-200' !Sa'----1 TWO HUMPS-r 1 1 I LENGTH BLOCK 200"
350' 2oo' < I <( 8 I= 􀁾􀀠<n r . , -I 1 !If Ifill 111/1.11' '7 7 .. /17"/77 //77/􀁾􀀧􀀷􀀷􀀢􀀢􀀢􀀧􀀪􀀯􀀷􀀠􀀷􀀢􀀷􀀷􀀷􀀷􀀯􀁾􀀷􀀺􀀻􀀭􀀻􀀺􀀧􀀷􀀷􀀢􀀠 .· 􀁟􀁦􀀻􀀺􀀺􀁾􀀺􀁦􀁦􀁾􀀡􀁊􀁦􀁽􀁦􀁽􀁽􀁦􀁦􀁦􀁊􀁽􀁦􀁦􀀮􀁾
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