National Highway 66 (India)

Babban titin ƙasa 66, wanda aka fi sani da NH 66 (wanda shine NH-17 da wani yanki na NH-47), galibin titin 4 ne mai nisan kilomita 1640 (kilomita 1020) babbar babbar hanyar ƙasa da ke kan hanya wacce ke tafiya kusa da arewa zuwa kudu tare da titin. yammacin gabar tekun Indiya, a layi daya da Western Ghats. Yana haɗa Panvel (birni kudu da Mumbai) zuwa Cape Comorin (Kanyakumari), ta ratsa cikin jihohin Maharashtra, Goa, Karnataka, Kerala da Tamil Nadu.http://www.deccanchronicle.com/nation/current-affairs/270817/national-highway-work-gains-speed-in-kerala.htmlhttp://www.dnaindia.com/mumbai/1529868/report-mumbai-goa-national-highway-may-get-a-tunnel

Ma’aikatar Sufuri da Hanyoyi Masu Sauri ta Gwamnatin Indiya ta gabatar da shirin greenfield (wato, sabon hanya mai zaman kanta) mai sarrafa hanyar shiga wanda zai haɗa biranen tashoshin jiragen ruwa na Mangaluru-Karawara-Panaji a matsayin wani ɓangare na Hanyar Sauri ta Kasa ta Indiya. Wannan hanyar sauri za ta kasance daidai da NH-66 kuma za ta kasance mafi yawan lokaci a yankin bakin teku na Karnataka. Ana sa ran za ta kasance hanya mai layuka 6/8, mai sarrafa hanyar shiga, tare da ƙira ta 3D daidai da hanyar fita.
 Bayanin Hanya 

Hanya ta fara ne a Panvel, a haɗuwar National Highway 48 (tsohuwar NH4), kuma tana ƙarewa a Kanyakumari. NH-66 tana yawan bi ta bakin teku na yamma na Indiya, wani lokaci tana taɓa bakin Tekun Larabawa. NH-66 tana taɓa Tekun Larabawa a Maravanthe a Karnataka, Thalassery da Alappuzha a Kerala. Hanya tana wucewa ta jihohin Indiya na Maharashtra, Goa, Karnataka, Kerala da Tamil Nadu.

Hanyar Babba ta Kasa 66 (wanda a da aka lissafta shi a matsayin NH-17) tana haɗa birane, ƙauyuka da manyan garuruwa na jihohi daban-daban kamar haka:

Maharashtra
Panvel, Pen, Mangaon, Mahad, Poladpur, Khed, Chiplun, Sangameshwar, Ratnagiri, Lanja, Rajapur, Kanakvali, Kudal, Sawantwadi.

Goa
Panaji, Margao.

Karnataka
Karawara, Ankola, Kumta, Honnavara, Manki, Murudeshwara, Bhatkala, Shirooru, Bainduru, Uppunda, Kirimanjeshwara, Navunda, Maravanthe, Hemmadi, Talluru, Kundapura, Koteshwara, Kota, Saligrama, Brahmavara, Udupi, Kapu, Padubidri, 
Mulki, Surathkal, Mangaluru, Thokottu, Ullal, Kotekar, Talapady.
Kerala
Uppala, Kasaragod, Kanhangad, Payyannur Pariyaram, Taliparamba, Dharmashala, Kannur, Dharmadam, Thalassery, Mahe, Vatakara, Payyoli, Koyilandi, Kozhikode, Ramanattukara, Tenhipalam, Kottakkal, Puthanathani, Valanchery, Kuttippuram, Thavanur, Ponnani, Chavakkad, Vadanappally, Kodungallur, Moothakunnam, North Paravur, Koonammavu, Varapuzha, Cheranallur,  Edappally, Kochi, Aroor, Cherthala, Alappuzha, Ambalapuzha, Haripad, Kayamkulam, Karunagappally, Chavara, Neendakara, Kollam, Mevaram, Kottiyam, Chathannoor, Kallambalam, Attingal, Kazhakkoottam, Thiruvananthapuram, Balaramapuram,   Neyyattinkara, Parassala.
Tamil Nadu 
Marthandam, Nagercoil and Kanyakumari.

 Manyan Haɗuwar Hanya 
{| class="plainrowheaders wikitable"
|-
!scope=col|State
!scope=col|District
!scope=col|Location
!scope=col|km
!scope=col|mi
!scope=col|Destinations
!scope=col|Notes
|-
|rowspan="4"|Maharashtra
|rowspan="2"|Raigad
|Panvel
|km= 
| to New Delhi
| Northern end of the highway.
|-
|Vadhkal
|km= 
| to Alibag
|
|-
|rowspan="2"|Ratnagiri
|Chiplun
|km= 
| to Bijapur
|
|-
| Hatkhamba
|km= 
| to Ratnagiri, Solapur
|
|-
|rowspan="3"|Goa
|rowspan="1"|North Goa
|Panaji
|km= 
| to Belgaum
|
|-
|rowspan="2"|South Goa
|Cortalim
|km= 
| to Vasco da Gama
| Route to Goa Dabolim Airport
|-
|Verna
|km= 
| to Vasco da Gama
|Route to Goa Dabolim Airport
|-
|rowspan="4"|Karnataka
|rowspan="2"|Uttar Kannada
|Ankola
|km= 
| to Sangrur
|Terminus of NH 52
|-
|Honnavar
|km= 
| to Chittoor
|Terminus of NH 69
|-
|rowspan="1"|Udupi
|Udupi
|km= 
| to Thirthahalli
|
|-
|rowspan="1"|Dakshina Kannada
|Mangalore
|km= 
| to Tumakuru
 to Shivamogga
|Terminus of NH 73
|-
|rowspan="9"|Kerala
|rowspan="1"|Kannur
|Thalassery
|km= 
| to Mysore
|Route to Mysore via  passing through Coorg
|-
|rowspan="2"|Kozhikode
|Malaparamba
|km= 
| to Kollegal
|
|-
|Ramanattukara
|km= 
| to Palakkad
|
|-
|rowspan="3"|Ernakulam
|Cheranallur
|km= 
| to ICTT Kochi
|
|-
|Edapally
|km= 
| to Salem
|
|-
|Kundannoor
|km= 
| to Thondi   to Cochin Port
|Terminus of NH 85
Southern Naval Command headquarters - INS Vendruruthy
|-
|rowspan="3"|Kollam
|Chavara
|km= 
| to Vandiperiyar 
|Terminus of NH 183A
|-
|Kadavoor
|km= 
| to Theni/Dindigul
|
|-
|Kallumthazham
|km= 
| to Tirumangalam
| 
|-
|rowspan="2"|Tamil Nadu
|rowspan="2"|Kanyakumari
|Nagercoil
|km= 
| to Kavalkinaru
|
|-
|Kanyakumari
|km= 
| 
| Southern end of the highway.

 Yanayin Hanya 

NHAI ta samu amincewa don haɓaka dukan sashen hanyar daga farkon zuwa ƙarshen zuwa hanya mai layuka huɗu, wanda zai kasance mai fadi  kuma da rabe-raben mataki. Daga cikin jihohi huɗu da hanyar ke bi, Karnataka da Maharashtra sun samu amincewa daga cibiyar don hanyar mai fadin . Kerala da Goa sun nemi fadi mai ƙasa na , kuma akwai zanga-zanga kan fadada hanyar a waɗannan jihohin.

Fadada layuka huɗu na NH-66 (Mumbai-Kanyakumari) an kammala shi har zuwa Thalapadi a kan iyakar Karnataka-Kerala, kuma kawai sashen a Kerala ne ke saura.

A farkon 2017, gwamnatin Kerala ta sanar da shirin layuka shida na NH 66 a jihar a matsayin babban ajanda kuma an ce za a kammala cikin shekaru uku. Amma ƙimar ƙasa mai tsada za ta sa wahala wajen biyan diyya, kuma tasirin jam’iyyar gwamnati yana da rikitarwa dangane da samun ƙasa iri ɗaya kamar bututun GAIL.

Yanzu aikin yana tafiya da sauri duk da zanga-zangar wasu kungiyoyin masu rajin fadada hanyoyi, musamman saboda tana haɗa babban birnin Kerala Thiruvananthapuram zuwa Kochi kuma tana da muhimmanci ga yawon shakatawa.

NH 66 na ɗaya daga cikin hanyoyin da ke da yawan motocin da suka fi yawa a jihar idan aka kwatanta da sassan hanyar a sauran jihohi, don haka ci gabanta yana da matuƙar muhimmanci ga gaba ɗaya ci gaban jihar. Hakanan, amfani da tsarin HAM wajen fadada zai taimaka wajen tattara kuɗin ci gaba. NHAI ta shahara wajen ɗaukar kuɗaɗe na dogon lokaci a jihar.

Har yanzu an mayar da  daga cikin  na National Highway 66 (NH 66) zuwa hanya mai layuka huɗu. Karnataka da Maharashtra suna fadada zuwa layuka shida kuma an mayar da  daga cikin  na NH 66 zuwa hanya mai layuka shida.

Za a gina ramin ƙasa (tunnel) a sassan da hanyar ke bi ta cikin daji ko yankin ghat. Saboda ma’aikatar daji ba ta yarda da kwace ƙasa don fadada hanya ba, an ba da shawarar ramin ƙasa wanda zai iya ɗaukar hanyar layuka huɗu a waɗannan sassan NH-66. Daya daga cikin irin wannan shawarwari shi ne na gwamnatin Maharashtra na gina ramin ƙasa mai tsawon kilomita 1.4 a wurin kiwo tsuntsaye na Karnala.
[[File:Kollam Bypass, Feb 2020.jpg|thumb|Kollam Bypass near Kadavoor

A halin yanzu, hanyar tana da fadi kaɗan idan aka kwatanta da sauran hanyoyi kuma mafi yawan sassa ba su da rabe-raben layi. Rashin rabe-raben layi ya haifar da yawaitar haɗuwa kai tsaye tsakanin motoci. A wasu wurare, allunan da ke nuna juya hagu ko dama, tudu-tudu (speed breakers), da sauransu suna lalacewa ko kuma ba su nan. Baya ga ƙarancin fadin hanyar, babu shingen kariya a gefen hanyar. A wasu lokuta, gefen hanya yana ƙasa da matakin hanyar.

Saboda yawan mutane da ke zaune a gefen hanyar da ƙarancin fadin hanya, matsakaicin saurin mota a wannan hanyar ya yi ƙasa fiye da abin da za a iya samu a hanyoyi masu kyau kamar NH3, NH4 ko NH8. Ana iya ganin gawar dabbobi a kan hanya, wanda ke nuna haɗarin dabbobin da ba su mai da hankali ba shiga hanya. Motoci masu ƙafa biyu (two-wheelers) dole ne su kula musamman da wannan. Fuskar hanyar tana da rashin daidaito a wasu sassa, ba kawai a lokacin damina ba, har ma a wasu lokuta.
 Manazarta