
2 + 1 rooad

oru dishayil rund paathakalum maruvashathu oru pathayum ulkkollunna, oro eathaanum kilometerilum marimari varunna, saadhaaranayaayi oru steel cable barrier upayogichu verthirikkunna, moonnu varii roadinte oru prathyeka vibhagamaanu 2 + 1 rooad. randaamathe paatha vegathil neengunna gathaagathathe sthiramaaya edavelakalil mandagathiyilulla vaahanangale marikadakkaan anuvadikkunnu. kuranjathu veethiyulla parambaraagatha roadukal 2 + 1 rodukalaayi parivartthanam cheyyaanum motorway allengil duval kyaarejveyilekkulla yadhaartha parivartthanathekkaal valare kuranja chelavil motorwake sameepamulla suraksha thalangalil athicheraanum kazhiyum.
chilappol, freeway punarnirmmaana samayat, freewayude oru pakuthiyil oru barrier transfer mesheen upayogikkum, mattonn punarnirmmikkum.
samanamaaya oru ashayam 2 paathakalkk sariyaaya vazhiyulla 3-varii sajjeekaranangalil upayogikkunnu, koodaathe ethir vasham pradhana haivekalil adutha vashathekku vazhangendathundu, avayil kooduthalum 2 pathakal, avaa kooduthal saadhaaranamaanu.
raajyam anusarichu.
estonia.
2016 leeii sarathkaalathaanu estoniyayile 2 + 1 rodukalude nirmmaanam aarambhichath, asmeykkum kohattuvinum edayilulla deseeya rooad 4 nte 9 kilometer bhagam 2 + 1 rodaayi punarnirmmikkunnathinulla karar oppuvachu. muzhuvan neelatthilum thadassangal sajjeekarichirikkunna 2 + 1 rodaayi rooad punarnirmmikkukayaan.
poltsamaykkum tartuvinum idayil deseeya rooad 2-nte niravadhi bhagangal 2 + 1 rodaayi parivartthanam cheyyaan padhathiyundu. avayil aadyathethu (aanikvere-niyanurme) 2017 novemberil thurannu. vegatha paridhi venalkkaalathum shaithyakaalathumaan.
finland.
finlandile aadyathe 2 + 1 rooad 1991 ll finnish naashanal rooad 4 ll jarvenpaykkum mantsalakkum idayil thurannu, ithu pinneedu motorway naveekarichu. athinusesham deseeya rooad shringalayude bhaagamaayi niravadhi 2 + 1 roadukal nirmmichittundu. avaa motorvekalodu saamyamullavayaan, avaa saadhaaranayaayi parimithamaaya praveshana rodukalaanenkilum avaykku grade interchenchukalilla. 1990kalude madhyathil, traaphik sepparettarukalulla 2 + 1 roadukal avatharippichu; iva koottiyidi thadayunnathinum motorvekalude surakshaye sameepikkunnathinum falapradamaanu. 2006ll 440 kilometer neelamulla 2 + 1 rodukalundaayirunnu.jii. rooad 3, rooad 4 ennivaykkidayil, avaa athra nalla pariharamaayirunnilla interchenchukal roadukale aasoothranam cheythathinekkaal chelaveriyathum drivermaare aashayakkuzhappathilaakkum cheythu. angane puthiya nirmmaanam nirthalaakkukayum traaphik sepparettarukalulla 2 + 2 roadukal maathrame nirmmikkappedukayulloo. ennirunnaalum iva kooduthal chelaveriyathum roadinte veethi vardhippikkendathumaan.
jarmmani.
2 + 1 sisttam" ennathu suraksha vardhippikkunnathinu vegatha niyanthranam aavasyamillaathathinaal ethir dishayilulla pathayil baipas cheiyunnathu nirodhichirikkunna orotta carriagewayil moonnu pathakal ulla express haivekale soochippikkunnu. eee expresswakel grade verthirikkappedukayum rund paathakalude vashangal (kuranja vegathayulla vaahanangale marikadakkaan anuvadikkunnu) oro 1.5 muthal 2 kilometerilum marimari maarukayum cheiyunnu. malayora pradeshangalil, bhaarameriyathum mandagathiyilullathumaaya vahanangal ovartekku cheyyaan anuvadikkunnathinu saadhaaranayaayi rund pathakal ullathaanu mukalilekkulla disha. mikka kesukalilum, median barrier illa allengil athil konkreett blokkukal adangiyirikkunnu-chila vaahanamodikkunnavar valare vaikiyaan varunna rund varii vibhaagathinte attathu adhika suraksha nadapadikal aavasyamaanu, athinaal idatharam pathayil gathagatham illaatha oru bhagam cherkkendathundu.
testt rodukalude chila nalla anubhavagalkk sesham gathaagathatthinte alavu eratta kyarej way express veyude nirmmaanatthe nyaayeekarikkunnillengum vidoora grameena pradeshangal athivega rodulla pradhana pattanangalumayi bandhippikkenda sthalangalil eee samvidaanam palappozhum upayogikkunnu. yulsenu sameepam b1, b4, b16, b20, b31n stokkakkinu sameepam (), b 33, b 54, b 56n, b 67 bocholtinum rheadin idayil, b 72, b 210, b 300, b 482, a 98-nte bhagangal ennivayaanu nilavilulla udaaharanagal.
israel.
israelil, roottinte 437 ennathu hisme junctionil ninnu aadam jangshanilekkulla 2 + 1 aanu. kayarunnathinumumbu rooad thaazhekku pathikkunnu, eathu dishayilulla mukalilekku pookunnu ennathu rund paathakalullathaanu.
ireland.
republic oof irelandil, enn20-yude oru cheria bhaagath mallo, kaundi korkkinum enn2 kaundi monagaanile casalblanic sameepam 2 + 1 rooad pareekshichu. praayogikamaayi, deseeya rooad authority 2007 joolaiyil 2 + 1 roadukal anuyojyamallennum pakaram 2 + 2 rodukalaayi (audyogikamaayi "type 2 duval kyarejwe" ennu ariyappedunnu) puthiya kuranja sheshiyulla trunk roottukal nirmmikkumennum prakhyaapichu-idungiya median haard sholder illaatha grade duval-kyaarejvekalil.
litwania.
litwaniyayil poortthiyaakkiya aadyathe grameena 2 + 1 rooad vibhaagam siyauliyaykkum eiii 18 rodumaayulla (siyauliya bipass) junction edayilulla eiii 11-nte 1.5 kilometer hraswa rooad vibhagamaayirunnu. 2017 avasaanathodeyaanu ithu thurannathu.
2035 oode latvian athirthi vareyulla kaunaasinu vadakkulla baltica vazhiyulla ellah 1 + 1 vibhaagangalum 2 + 1 aakki maattaan padhathiyundu. aadya vibhagamaaya eiii 17 rooad allengil panevisis baipas 2019 ll nirmmichu. jolikal ghattam ghattamayi nadannu. eiii8, eiii9 ennivayumaayulla jangshanukalkkidayilulla aadya 10 kilometer bhagam 2018 venalkkaalath poortthiyaayi. eiii10 rooad vareyulla bakkiyulla bhagam 2019 ll poortthiyaayi.
aasoothranam cheytha 2 + 1 vibhagangalilellaam thadassangal undaayirikkum.
nyoosilaand.
nyoosilandil, kurachu 2 + 1 roadukal maathrameyulloo, ennirunnaalum raajyathudaneelam, pradhaanamaayum kanatha gathaagathamulla pradeshangalilum kunnukalilum, pathivayi otappetta 'kadannupokunna pathakal' nilavilundu. ookklaandinu thekk longswambinum ramgiririkkum idayil eshh1-ll vayar-ropp median barrierullah 2 + 1 roadinte trial nadathukayum kooduthal 2 + 1 roadukal avatharippikkan padhathiyundu. raajyathin ettavum anuyojyamaaya konfigareshanukal sthaapikkunnathinaayi 2 + 1 rodukalude roopakalppanayum pravartthana phalangalum enn. ezz. gaveshanangal parishodhichu.
porchugal.
portugalil 2 + 1 roadukal daaraalamundu. raajyathe mikkavarum ellah deseeya roadukalkkum 2 + 1 profile undu, ennaal ettavum valia bhagam kunnukal kaaranam vadakku bhagathaanu sthithi cheiyunnathu (udaaharanathinu, baira bikesa allengil visyoovil). ithinte oru udaaharanam phaaro (algarve) muthal chaavsilekk pookunna enn2 rodaanu. koodaathe, lisbone jilla ozhike, sameepathulla oru gramamulla rodukalude bhaagangalil itharathilulla rooad pathivayi upayogikkaarilla, avayil mikkavaykkum aaa profile undu. portugalil 4 (pradhana) tharatthilulla rodukalunda chilappol 2 + 1 profile adangiyirikkunna oru deseeya rooad (enn), gramangal ozhikeyulla ellaayppozhum 2 + 1 profile adangiyirikkunna oru pooraka root (aisi), 2 + 1 profile (aisi profile ulla) allengil 2 + 2 profile (profile ulla), 2 + 2,3 + 3 allengil 4 + 4 polulla swantham profileukalulla haiway (eiii) enniva ulkkollunna oru pradhana root (aipi).
romania.
romaniayile 2 + 1 rooad formet palappozhum chenkuthaaya charivukalilulla vibhaagangale soochippikkunnu, avide mattoru paathayund, mukalilekku pookumbool tirakk ozhivakkaan mandagathiyilulla vahanangal upayogikkaan roopakalppana cheythirikkunnu.
dn7-nte oolttu vaali vibhaagathil 2018-ll laasarattinum ternool spartinum idayil thuranna aadyathe 2 + 1 "badal" rooad. eee vibhaagathil cable thadassangal illa, ennaal aavashyamenkil orennam sthaapikkaan vyavasthakal cheythittundu. thurakkunna adutha 2 + 1 rooad vibhaagam dii. enn. 2-leeii sinestikkum moviliyaykkum idayilaayirikkum. dii. enn. 2 nilavil emarjansi lainukalulla 13 meter veethiyulla rodaayi krameekarichirikkunnu, sweedante 13 meter veethiyulla rodukalude athe shailiyil, ennirunnaalum, drivermar emarjansi lineukal anuchithamayi upayogikkunnu, ithu nilavile uyarnna apakadangalilekku nayikkunnu. 
roadinte punny poorthiyaayikkazhinjaal, 2 + 1 rooad apakadangalude ennam kuraykkumennu karuthappedunnu, pakshe athinu aavashyamaaya cable barrier illa. kaaranam, romaniyayil sthaapicha oreyoru cable barrier, athe dii. enn. 2-ll afumaathiyil, pathakal valare aduthirunnathinaal kedupaadukal sambhavikkukayum oru truck athil idikkukayum cheythu, pakaram, romanian rooad administration (cnadnr) thadassathinte "surakshithamallaayma" yeei kuttappedutthi.
russia.
chila federal roadukal 2 + 1 design upayogikkunnu. overtaking vibhaagangalude neelam 400 muthal 3,000 meter vareyaanu. padinjaaran europil ninnu vyathyasthamayi, russian 2 + 1 roadukalil bhooribhaagavum thadassangal kondu sajjeekarichittilla. twarinum novgorod oblaastinum edayilulla emm-10 rooad vibhagamaanu 2 + 1-nte ettavum ariyappedunna udaaharanam. eee 2 + 1 crassnoder krajilum sakhaalin dveepilum prathyekichum janapriyamaan.
sweeden.
sweedenil, prathyekichu aii. dii. 1 kaalaghattatthil niravadhi roadukal nirmmichittundu. thudakkathil emarjansi strippayi aasoothranam cheythirunna ivaykku rund paathakalum rund tholukalumundu, kaaranam akkaalathe kaarukalkk vishwaasyatha illaayirunnu.
1990 oode, avayude madhyathil velikal nirmmikkanum 2 + 1 pathakal nirmmikkanumulla ashayam uyarnnuvannu. uyarnna vegathayil niravadhi koottiyidikal undaakunna mosham suraksha record eee rodukalkkullathinaal gathagatha suraksha vardhippikkunnathinulla oru vilakuranja maargamaayi ithu kanakkaakkappettirunnu. udaaharanathinu, meating kaarukal vashathekku pookumennu karuthi chila aalukal meating traafikkine marikadannu. roadukal 3 paathakalkk alppam idungiyathaanengilum chila roadukalil pareekshanangal nadatthi. suraksha mechappeduthuka mathramalla, 2-varii vibhagangal surakshithamaaya overtaking avasarangal nalkunnathinaal mumbathethinekkaal ovartekku cheiyunnathu eluppamaanennum ithu kandethi. 2000-nuu sesham sweedante nooriladhikam roadukal vishalamaaya saadhaarana roadukalil ninnu 2 + 1 rodukalaayi parivartthanam cheythu.
2005 vare mikka haivekalilum upayogichirunna yadhaartha vegatha paridhi rodukalaayirunnu. ithinte falamaayi, palarum oru varii bhaagangalil manikkooril 90 kilometer vegathayil oodichu, ennaal rund varii bhaagangalil, ithu motorwayile vegatha paridhiyaan. vegatha paridhi ippol ganyamaayi sugamamaya gathagatha ozhukkilekku maatti. rund varii vibhagangalil kazhiyunnathra mandagathiyilulla kaarukale marikadakkaan chila aalukal aagrahikkunna oru prashnamund, chilappol vibhaagathinte avasaanathil cheria maarjinukalund.
yunaittad kingdom.
yukeyil 2 + 1 roadukal 'wide single 2 + 1 roadukal' ennaanu ariyappedunnathu. rodukaludeyum paalangaludeyum design maanuval anusarichu, avaa grameena sarvoparadhaana single kyaarejvekalil maathrame upayogikkaavoo. overtaking leyne sekshanukal 800 meterinum 1500 meterinum idayilaakaam. kaaranam eee neelam kaarukale marikadakkaan anuvadikkunnu, pakshe single-leyne vibhaagangalile drivermark niraashayundaakkunnil. varaanirikkunna overtaking leyne upayogikkunnathil ninnu single-leyne traaphik thadayunnathinaayi traaphik ozhukkil ninnu verthirikkaan eratta soolid lainukalulla hatching upayogikkaan shupaarsha cheiyunnu. 2 + 1 roadukal pathakal kayarunnathinum upayogikkaam, ithu oru carveyil mukalilekku yaatra cheyyumbol mandagathiyilulla vahanangal mattu vaahanangalaal marikadakkaan anuvadikkunnu. 500 meettaril kooduthal neelamulla roadle 2 sathamaanam gradientil avaa upayogikkanam.
america.
california, nyoo hamshire, misauri thudangiya samsthaanangalil yunaittad stetsinu 2 + 1 rodukalundu. franconia nochu stettu paarkkile antharsamsthaana 93 aanu ettavum pradhanappetta udaaharanam (oro dishayilum orotta paathayilekku veezhunnathinu munbu, koodaathe oru steel devider). malibuvinum oksnaardinum edayilulla california stettu root 1, oraakkilin vadakkulla arizona stettu root 77, lebanon, kaamdentan pattanangalkkidayilulla misauri root 5 ennivayude bhagam enniva ulppede antharsamsthaana roadukalil ninnu amerikkayil eee reethi anjjaathamalla. amerikkayil, eee padam upayogikkunnilla, 2 + 1 ennu visheshippikkaavunna konfigareshanilulla roadukalkk saadhaaranayaayi trekkukalkkum vegatha kuranja vaahanangalkkum kayarano allengil thaazhekku veezhaano allengil yathaakramam 2 allengil 4 lainukalilekku vikasippikkaano kuthaneyulla gradukalil adhika climbing laine undu.
texassilum eee roadukal nilavilundu, "suuppar 2" ennu vilikkappedunnu, kaaranam aaa padatthinu onniladhikam nirvachanangalund.
1950-kalil, newyork samsthaanam motham 3 varii veethiyulla niravadhi haivekal nirmmichu, gathagatham iruvashathekkum neengumbol madhya paathayiloode kadannupokaan anuvadichu. bhayappeduthunna reethiyil uyarnna koottiyidi nirakkinte patthu varshathil thaazhe, ellaam rund vishalamaaya pathakal, allengil oru dishayil kadannupokunna paatha, allengil rund samvidaanangalkkidayil marimari.
mattevideyengilum.
austreliya, kaanadayile ontaariyo, cubec ennee pravishyakal polulla chila sthalangalil kaanappedunnundengilum europinum amerikkaykkum purathu vibhajikkapetta 2 + 1 roadukal apoorvamaanu. jappaanile vadakkan dveepaaya hokkaidoyil 2 + 1 rooad nadappaakki.

