Kev tswj tsheb yog ib qho tseem ceeb ntawm kev npaj hauv nroog niaj hnub. Raws li tus naj npawb ntawm cov tsheb nyob rau hauv txoj kev tseem nce ntxiv, kev tswj kev khiav tsheb thiab ua kom muaj kev nyab xeeb tau dhau los ua txoj haujlwm nyuaj. Ntawm ntau yam kev ntsuas kev nyab xeeb, kev sib tsoo ceev thiab kev nrawm nrawm ua lub luag haujlwm tseem ceeb hauv kev txo tsheb nrawm, tiv thaiv kev sib tsoo, thiab txhim kho txoj kev nyab xeeb. Kab lus no muab kev sib piv ntawm cov pob nrawm thiab nrawm nrawm, tsom mus rau lawv cov yam ntxwv, kev siv, qhov zoo thiab qhov tsis zoo.
Dab tsi yog qhov nrawm nrawm thiab nrawm nrawm?
Thaj tsam deceleration
Kev nrawm nrawm yog cov yam ntxwv tswj kev khiav tsheb uas tsim los kom qeeb tsheb. Lawv feem ntau tau teeb tsa ze ntawm thaj chaw nyob, chaw nres tsheb, thiab cov tsev kawm ntawv uas muaj cov neeg taug kev siab. Kev ceev humps feem ntau yog 3 mus rau 6 ntiv tes siab thiab txog 1 ko taw dav, yuam cov neeg tsav tsheb kom qeeb mus txog li 5 mus rau 10 mph kom dhau yam tsis muaj kev puas tsuaj rau lub tsheb.
Thaj tsam deceleration
Nyob rau hauv sib piv, ceev nrooj yog ntau zam txim thiab tsim kom qeeb tsheb khiav mus rau ib tug ceev ceev yam tsis muaj kev tsis xis nyob rau tus neeg tsav tsheb. Tsis zoo li cov humps ceev, lawv tsis siab thiab ntev dua, feem ntau 12 txog 14 feet ntev. Kev ceev humps tuaj yeem tsav dhau ntawm 15 mus rau 20 mph, ua kom qeeb tsheb tsis tau nqa mus rau qhov chaw nres tsheb.
Kawm txog daim ntawv thov
Cov chaw nyob thiab tsev kawm ntawv
Speed humps feem ntau nyiam tshaj qhov nrawm nrawm hauv thaj chaw nyob thiab ze cov tsev kawm ntawv. Nws cov qauv muag muag tso cai rau kev hloov pauv yooj yim dua thiab tsis cuam tshuam rau lub tsheb. Qhov no muaj txiaj ntsig tshwj xeeb nyob ze cov tsev kawm ntawv uas cov tsheb khiav tsis tu ncua yuav tsum muaj qhov sib npaug ntawm kev nyab xeeb thiab tswj kom muaj tsheb khiav tsis tu ncua.
Chaw nres tsheb thiab kev tsav tsheb ntiag tug
Kev ceev humps feem ntau pom nyob rau hauv qhov chaw nres tsheb thiab kev tsav tsheb ntiag tug uas yuav tsum tau ua kom nrawm dua. Qhov xwm txheej ceev ceev ua kom cov neeg tsav tsheb tswj ceev ceev heev, uas yog qhov tseem ceeb hauv cov cheeb tsam uas muaj cov neeg taug kev hnyav los yog qhov chaw tsheb thauj neeg feem ntau hla.
Qhov zoo thiab qhov tsis zoo ntawm
Qhov zoo ntawm kev nrawm nrawm
Kev hloov pauv tau yooj yim: Lawv qhov ntev thiab maj mam tsim tso cai rau cov tsheb hla lawv yam tsis muaj kev cuam tshuam hnyav ntawm kev nrawm nrawm.
Txhim kho kev khiav dej num: Kev ceev humps tuaj yeem ua rau qeeb qeeb-tsav tsheb tsis tsim cov fwj, ua kom muaj kev sib haum xeeb dua.
Txhim kho kev nyab xeeb: Los ntawm kev ua kom lub tsheb qeeb qeeb kom muaj kev nyab xeeb tab sis tsim nyog, kev nrawm nrawm txo qhov kev pheej hmoo ntawm kev sib tsoo yam tsis ua rau muaj kev cuam tshuam ntau dhau rau tus neeg tsav tsheb.
Qhov tsis zoo ntawm kev nrawm nrawm
Tsis tshua muaj txiaj ntsig hauv qee qhov xwm txheej: Hauv thaj chaw uas yuav tsum tau muaj kev ceev nrawm heev, cov pob nrawm yuav tsis txaus kom muaj kev nyab xeeb.
Muaj peev xwm tsis meej pem: Qhov zoo sib xws ntawm cov pob nrawm tuaj yeem ua rau tus neeg tsav tsheb tsis meej pem, uas tuaj yeem ua rau qeeb qeeb lossis tsis ua haujlwm kom txaus.
Qhov zoo ntawm kev nrawm nrawm
Ua tau zoo: Kev nrawm nrawm yuam cov neeg tsav tsheb kom qeeb qeeb, ua rau lawv muaj txiaj ntsig zoo ntawm kev ua kom muaj kev nyab xeeb ntawm cov neeg taug kev.
Kev siv ntau yam: Lawv tuaj yeem siv rau ntau qhov chaw, los ntawm thaj chaw nyob mus rau chaw nres tsheb ua lag luam.
Qhov tsis zoo ntawm kev nrawm nrawm
Kev tsis xis nyob thiab kev puas tsuaj: Lub nrawm nrawm nrawm tuaj yeem ua rau tsis xis nyob rau cov neeg caij tsheb thiab kev puas tsuaj rau lub tsheb yog tias dhau los ntawm qhov tsis sib xws.
Kev muaj peev xwm tsheb thauj mus los: Kev nrawm nrawm yuam kom cov tsheb tuaj ze, uas ua rau muaj kev tsis sib haum xeeb thiab kev sib tsoo, tshwj xeeb tshaj yog thaum lub sijhawm maj nrawm.
nyob rau hauv xaus
Ob qho tib si ceev humps thiab ceev humps ua lub luag haujlwm tshwj xeeb hauv kev tswj kev tsheb niaj hnub. Thaum cov pob nrawm nrawm nrawm thiab ua kom cov tsheb taug kev ntawm qhov nrawm nrawm, cov pob nrawm muaj kev zam txim ntau dua uas sib npaug kev nyab xeeb thiab kev khiav tsheb.
Nkag siab txog cov kev cai tshwj xeeb ntawm ib lub xaib yog qhov tseem ceeb thaum xaiv ntawm kev ceev humps thiab ceev humps. Cov neeg tsim qauv hauv nroog thiab cov kws tsim kho tsheb yuav tsum xav txog yam xws li kev nyab xeeb ntawm cov neeg taug kev, kev ntim tsheb thiab cov tsheb khiav yuav tsum tau siv los siv cov kev daws teeb meem zoo tshaj plaws.
Nyob rau hauv ib qho kev hloov pauv hauv nroog kev loj hlob toj roob hauv pes, kev tsim kho tshiab thiab cov ntsiab lus tshwj xeeb xws li cov no yuav txuas ntxiv ua lub luag haujlwm tseem ceeb hauv kev txhim kho txoj kev nyab xeeb thiab txhim kho tag nrho lub neej zoo rau cov neeg nyob hauv thiab cov neeg tuaj xyuas.