CE 453 Highway Design Iowa State University Highway Design Criteria Overview
Highway Design Standards
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Transcript of Highway Design Standards
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7/28/2019 Highway Design Standards
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BHZYH NDVPNPYPI OA PIFMDOGOC^
Crh`uhti Vfmoog oa IdcndiirndcH gifturi sirnis nd MNCMSH^ @IVNCDVPHD@H\@Vprisidti`
L^@r$ Pobhs Y$ Chdnrod Kr
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P^ZIV OI MNCMSH^ NBZ\OQIBIDPZ\OKIFPV
Pmiri hri aour lhsnf typis oa pmysnfhg
nbprovibidt prokifts' sobi oa wmnfm
bust fobpgy wntm sthd`hr`s hd` otmirstmht `o dot mhvi to fobpgy$
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P^ZIV OI MNCMSH^ NBZ\OQIBIDPZ\OKIFPV Diw Fodstruftnod hs nts dhbi nbpgnis'
tmns hftnod ndvogvis tmi fodstruftnod oa h
diw mncmwhy ahfngnty wmiri dotmndc oa ntstypi furridtgy ixnsts$ Pmns bncmt thei tmiaorb oa h ly phss fodstrufti` to fhrrytmroucm trhaanf hroud` hd ixnstndc towd or
nt bncmt li h diw two ghdi hffiss routigndendc hd ixnstndc hrtirnhg mncmwhy wntm hVthti phre$
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Aour typis oa mncmwhy
fodstruftnod
Aour typis oa mncmwhy
fodstruftnod;
Diw Fodstruftnod
\ifodstruftnod
6\ Bhndtidhdfi
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\ifodstruftnod
Pmns typnfhggy ndvogvis h bhkor fmhdci to hd
ixnstndc mncmwhy wntmnd tmi shbi cidirhg rncmt
oa why forrn`or$ Nd bhdy phrts oa tmi foudtry'roh`s tmht wiri orncndhggy fodstrufti` nd tmi
ihrgy
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\ifodstruftnod
\ifodstruftnod hgso bhy ndvogvi bhendc
sulsthdtnhg bo`nanfhtnods to hd og`ir
mncmwhy#s mornzodthg hd` virtnfhghgncdbidt nd or`ir to ignbndhti shaity hd`
hffn`idt prolgibs$
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\ifodstruftnod \ifodstruftnod fhd ndvogvi h
bhkorfmhdci to tmi roh`why
hppihrhdfi$
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\ifodstruftnod oa 3tm Vtriit$Zmoidnx' H[.
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Liaori rifodstruftnod
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Hatir rifodstruftnod
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\isurahfndc' \istorhtnod' \imhlngnthtnod-6\.
6\ prokifts aofus prnbhrngy od tmi
prisirvhtnod hd` ixtidsnod oa tmi sirvnfi
gnai oa ixnstndc ahfngntnis hd` od shaityidmhdfibidts$
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\isurahfndc' \istorhtnod'\imhlngnthtnod -6\. Yd`ir tmi fghssnanfhtnod oa 6\ prokifts'
tmi typis oa nbprovibidts to ixnstndc
ai`irhg hn` mncmwhys ndfgu`i; risurahfndc'phvibidt strufturhg hd` kondt riphnr'bndor ghdi hd` smoug`ir wn`idndc' bndorhgtirhtnods to virtnfhg crh`is hd`
mornzodthg furvis' lrn`ci riphnr' hd`ribovhg or protiftnod oa roh`sn`iolsthfgis$
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\isurahfndc' \istorhtnod' \imhlngnthtnod-6\. Prhdsporthtnod \isihrfm Lohr` Vpifnhg
\iport =3.' `ofubidts tmi
risugt oa h stu`y od tmi fost iaaiftnvidiss
oa mncmwhy ciobitrnf `isncd sthd`hr`saor 6\ prokifts$
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\isurahfndc' \istorhtnod'\imhlngnthtnod -6\ Ihfm Vthti whs ndvnti` to `ivigop hd`
h`opt bndnbub `isncd frntirnh aor dod
ariiwhy 6\ prokifts$ Pmi risugt ns tmhtVthtis typnfhggy ibpgoy `isncd frntirnh aor
6\ prokifts tmht hri gowir tmhd tmosi
fodthndi` nd tmi HHVMPO
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Odcondc bhndtidhdfi ns difisshry to eiipahfngntnis nd coo` fod`ntnod$
-\t$ 861' Sistport' FP.
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Bhndtidhdfi Pypnfhggy' bhndtidhdfi hftnvntnis fodsnst
oa tmosi hftnods difisshry to eiip hd
ixnstndc mncmwhy ahfngnty nd coo`fod`ntnod$
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Bhndtidhdfi Bhndtidhdfi hftnvntnis ndfgu`i riphndtndc
ghdi hd` i`ci gndis' ribovndc
hffubughti` `ilrns arob `rhndhci ndgits'riphnrndc surahfi `rhndhci aihturis'
bowndc' hd` ribovndc sdow$
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HHVMPO Hs sthti` nd tmi HHVMPO' ixnstndc roh`s
tmht `o dot biit tmi cun`igndis aor
ciobitrnf `isncd hri dot difisshrngyudshai hd` `o dot difisshrngy mhvi to li
upcrh`i` to biit tmi `isncd frntirnh;
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HHVMPO Pmi ahft tmht diw isncd vhguis hri
prisidti` mirind ois do t nbpgy tmht
ixnst ndc s triits hd` mncmwhys hri udshai'
do r ois n t bhd`hti tmi ndn t nht nod oanbpro vibidt pro kifts $$$Aor pro kifts o a tmns
typi -risurahfndc ' risto rht nod ' or
rimhln g n tht nod U6\R.' wmiri bhkor rivns nod s
to mor nzodthg hd` virt nfhg fu rvhturi hri dotdifisshry o r prhft nfhg ' ixnst ndc isncd
vhguis bhy li rithndi`$
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Bndnbub Vtoppndc @nsthdfi -b.
@nsthdfi Vpii` -eb/m. HHVMPO -8. Fhgnaordnh -$0 86: 8
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Vfidnf roh`s fhd lidiant arob diw Vthtisthd`hr`s$ -Vdnfeirsvnggi Pdpe$' QH.
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Pmi @isncd Cun`igndis hd`Vthd`hr`s aor Vfidnf hd` Mnstornf
\oh`s Pmns whs priphri` spifnanfhggy to idsuri
tmi h`iquhfy hd` shaity oa hdy diw or
upcrh`i` roh`why wntmnd tmi foudty ndhffor`hdfi wntm tmi cun`igndis hd` nd
or`ir to prisirvi tmi sfidnf hd` mnstornf
vhguis oa h`khfidt hrihs$
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Vpifnanf frntirnh aor sfidnf roh`s fhd migpbndnbnzi nbphft od vhguhlgi risourfis' sufm hs
tmisi rofe aidfis$-Zhrns Gixndctod \oh`' E^.
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PMI @IVNCD I]FIZPNODZ\OFIVV
@ispnti tmi rhdci oa agixnlngnty tmht ixnsts
wntm rispift to vnrtuhggy hgg tmi bhkor roh`
`isncd aihturis' tmiri hri sntuhtnods ndwmnfm tmi hppgnfhtnod oa ivid tmi
bndnbub frntirnh woug` risugt nd
udhffipthlgy mncm fosts or bhkor nbphftod tmi h`khfidt idvnrodbidt$
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PMI @IVNCD I]FIZPNOD Z\OFIVV Aor sufm ndsthdfis wmid nt ns hpproprnhti' tmi
`isncd ixfiptnod profiss hggows aor tmi usi oa
frntirnh gowir tmhd tmosi spifnani` hs bndnbub
hffipthlgi vhguis nd tmi HHVMPO$ Na tmi
mncmwhy prokift ns dot od tmi DMV' tmi Vthti
`ois dot dii` AMSH hpprovhg aor h `isncd
ixfiptnod$ Yd`ir tmi NVPIH' tmi Vthti fhdriquist hd ixibptnod arob AMSH ovirsncmt od
dodDMV prokifts$
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PMI @IVNCD I]FIZPNOD Z\OFIVV
Aor prokifts od DMV routis' AMSH riqunris
tmht hgg ixfiptnods arob hffipti` cun`igndis
hd` pognfnis li kustnani` hd` `ofubidti` nd
sobi bhddir hd` riqunris aorbhg hpprovhg aor
86 spifnanf fodtroggndc frntirnh$ Pmi profiss oa
kustnanfhtnod hd` `ofubidthtnod' hgtmoucm dot
riqunri`' fhd li aoggowi` ly Vthtis wntmixibptnod arob AMSH ovirsncmt od dod DMV
prokifts' hs wigg$ Pmisi frntirnh hri hs aoggows
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PMI @IVNCD I]FIZPNOD Z\OFIVV
@isncd spii`
Ghdi wn`tm
Vmoug`ir wn`tm
Lrn`ci wn`tm
Vtrufturhg fhphfnty Mornzodthg hgncdbidt
Qirtnfhg hgncdbidt
Crh`i
Vtoppndc sncmt `nsthdfi
Fross sgopi Vupir igivhtnod
Qirtnfhg fgihrhdfi
Mornzodthg fgihrhdfi -dot ndfgu`ndc fgihr zodi.
Aor tmi bost phrt' `isncd ixfiptnods to tmisi 86 frntirnh fhd liihsngy n`idtnani` hd` `iandi`$ Pwo ntibs' mornzodthg fgihrhdfi
hd` `isncd spii`' whrrhdt aurtmir ixpghdhtnod$
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Mornzodthg Fgihrhdfi Aor fgihr zodis' tmi frntirnh nd tmi
HHVMPO \oh`sn`i @isncd Cun`i#smoug`
li trihti` hs cun`hdfi hd` dot hs hdhtnodhg sthd`hr` riqunrndc h `isncd
ixfiptnod na dot dubirnfhggy bit$
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@isncd Vpii` @isncd spii` ns usi` to `itirbndi
nd`nvn`uhg `isncd igibidts' sufm hs
stoppndc sncmt `nsthdfi hd` mornzodthgfurvhturi$ Pmiriaori' h `isncd spii`
ixfiptnod ns hd ixfiptnod to hgg tmi
vhrnous `isncd igibidts haaifti` ly nt
hd` smoug` li kustnani` od tmht lhsns$
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@isncd Vpii` H aiw pondts to ribiblir wmid ivhguhtndc
`isncd ixfiptnods hri hs aoggows;
Fodsn`irhtnod smoug` li cnvid to tmi iaaift oatmi vhrnhdfi od tmi shaity hd` opirhtnod oa tmiahfngnty hd` nts fobphtnlngnty wntm h`khfidtsiftnods oa tmi roh`why$
Fodsn`irhtnod smoug` li cnvid to tmi audftnodhgfghssnanfhtnod oa tmi roh`' tmi hboudt hd`fmhrhftir oa tmi trhaanf' tmi typi oa prokift' hd`tmi hffn`idt mnstory oa tmi roh`$
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@isncd Vpii` Pmi fost oa htthndndc augg sthd`hr`s hd` hdy
risugthdt nbphft od sfidnf' mnstornf' or otmiridvnrodbidthg aihturis smoug` hgso li
ixhbndi`$ Andhggy' tmi aoggowndc tmrii nssuis smoug` li
fodsn`iri`$ Smht ns tmi `icrii to wmnfm hcun`igndi ns lindc ri`ufi`? Sngg tmi ixfiptnod
haaift otmir cun`igndis? Hri tmiri hdyh``ntnodhg aihturis lindc ndtro`ufi` tmht woug`bntnchti tmi `ivnhtnod?
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
Port fghnbs hchndst mncmwhy hcidfnis mhvistih`ngy rnsid sndfi tmi ihrgy 8>3:#s' wmid tmi
HHVMPO anrst lichd surviyndc Vthtis aor
ndaorbhtnod hlout tort gnhlngnty fghnbs$ Pmns nsphrtgy `ui to tmi trid` oa do godcir hggowndc`isncd nbbudnty -sovirincd nbbudnty. aormncmwhy hcidfnis nd hgbost hgg Vthtis$ Pmiri ns
ivn`idfi to lignivi tmht tmi bhkornty oa tmisifhsis ndvogvi hggichtnods oa ahugty trhaanf fodtrog`ivnfis or bhndtidhdfi$
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO Port ns h gichg tirb tmht riairs to h fnvng wrodc tmht mhs
liid fobbntti`' nd tmns fhsi ly mncmwhy hcidfnis$Dicgncidfi ns h tirb usi` to riair to h fghssnanfhtnod oatort nd wmnfm tmi ndkury ns dot ndtidtnodhg' lut wmiri
tmiri whs ahnguri to usi `ui fhri nd tmi trihtbidt oaotmirs fobphri` to wmht h ,rihsodhlgi bhd, woug`mhvi `odi$ Gnhlngnty ns tmi rispodsnlngnty to bheiristntutnod to tmi `hbhci` phrty tmroucm hd hftnod orphybidt `itirbndi` ly tmi fourt$ Andhggy' Vthtisprotifti` wntm sovirincd nbbudnty aor `isncd fhddot lisui` aor `ifnsnods richr`ndc `isncd$ -Vovirincdnbbudnty ns dow odgy nd ixnstidfi nd h mhd`aug oaVthtis$.
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
Pmi HHVMPO otmir Vthti h`opti` mncmwhy
sthd`hr`s' Ai`irhg hd` Vthti ricughtnods hd`
cun`igndis' hd` risihrfm pulgnfhtnods nssui` ly
tmi Prhdsporthtnod \isihrfm Lohr` hri oatid
usi` nd tort fhsis to i`ufhti tmi kury hlout tmi
sthd`hr` givig oa prhftnfi aor `isncd$ Nd
h``ntnod' ixpirt wntdissis hri usi`' wmo ndturd rigy od wrnttid tixt to ixpghnd tmi hffipti`
sthd`hr` prhftnfis aor `isncd to tmi kury$
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
@isncdndc h mncmwhy tmht ns shai
surroud`ndc idvnrodbidt fhd li h
`naanfugt thse aor idcndiirs$Vobitnbis h
`isncd ixfiptnod ns difisshry' hs whs
tmi fhsi aor tmns prokift$
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
Pmns `ois dot bihd' mowivir' tmhth`miridfi to hffipti` sthd`hr`prhftnfis' sufm hs tmi HHVMPO CriidLooe cun`igndis' hutobhtnfhggyisthlgnsmis tmht rihsodhlgi fhri whsixirfnsi`$ Fodvirsigy' `ivnhtnod arob tmi
cun`igndis' tmroucm tmi usi oa h `isncdixfiptnod' `ois dot hutobhtnfhggyisthlgnsm dicgncidfi$
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
Pmi list `iaidsi aor h `isncd idcndiir ns
to prisidt pirsuhsnvi ivn`idfi tmht tmi
cun`igndis wiri dot hppgnfhlgi to tmifnrfubsthdfis oa tmi prokift or tmht tmi
cun`igndis foug` dot li rihsodhlgy bit$
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
-Nt smoug` li doti` tmht hd ifodobnf `iaidsi nsdot tmi bost iaaiftnvi$. Nt ns mncmgy rifobbid`i`tmht `isncdirs `ofubidt tminr rhtnodhgis aor
`ifnsnods$ Na tmi kustnanfhtnod `ofubidti` ly h`isncdir fobpgitigy `isfrnlis tmi pmysnfhg hd`idvnrodbidthg ahftors tmht bhei tmi ixfiptnod orhdy `isncd difisshry$ nt ns gneigy tmht tmns wngg ligichggy pirsuhsnvi tmht tmi forrift profi`uris
wiri aoggowi` hd` ugtnbhtigy tmi hpproprnhti`ifnsnod whs bh`i$ Nd h``ntnod' nt ns migpaug tomhvi sthtibidts ly otmir `isncd ixpirts wmofodfur wntm tmi `ifnsnod nd tmi `ofubidthtnod$
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
Nt ns gneigy tmht tmns wngg li gichggy
pirsuhsnvi tmht tmi forrift profi`uris
wiri aoggowi` hd` ugtnbhtigy tmihpproprnhti `ifnsnod whs bh`i$ Nd
h``ntnod' nt ns migpaug to mhvi sthtibidts
ly otmir `isncd ixpirts wmo fodfur wntm
tmi `ifnsnod nd tmi `ofubidthtnod
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
Hs h risugt oa fodfirds hlout gntnchtnod'`isncdirs bhy li tibpti` to li viryfodsirvhtnvi nd tminr hpprohfmis tomncmwhy `isncd hd` hvon` nddovhtnvi hd`frihtnvi hpprohfmis to `isncd prolgibs$Smngi nt ns nbporthdt aor `isncd idcndiirs
to `o tminr kols hs tmoroucmgy hd`fhriauggy hs possnlgi' hvon`ndc udnquisogutnods ns dot tmi hdswir$
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PO\P GNHLNGNP^ HV NP \IGHPIV PO PMIHHVMPO
Pmns bhy ud`irbndi `isncd prhftnfi hd` gnbnt
crowtm nd tmi idcndiirndc proaissnod$
@isncdirs dii` to ribiblir tmht tminr senggs'
ixpirnidfi' hd` ku`cbidt hri stngg vhguhlgi
toogs tmht smoug` li hppgni` to sogvndc `isncd
prolgibs hd` tmht' wntm rignhdfi od fobpgiti
hd` soud` `ofubidthtnod' tort gnhlngntyfodfirds dii` dot li hd nbpi`nbidt to
hfmnivndc coo` roh` `isncd$