Route 41 starts at intersection with Route 4

Phetkasem highway

Phetkasem Road or Thailand Route 4 is one of the four major highways in Thailand, along with Phahonyothin Road , Mittraphap Road , and Sukhumvit Road . At 1,274 km, it is the longest highway in Thailand. It begins at Naowa Chamnian bridge in Bangkok Yai, Bangkok...

 in Chumphon Province

Chumphon Province

Chumphon ) is one of the southern provinces of Thailand, at the shore of the Gulf of Thailand. Neighboring provinces are Prachuap Khiri Khan, Surat Thani and Ranong...

. It goes southward passing through Surat Thani Province

Surat Thani Province

Surat Thani is the largest of the southern provinces of Thailand, on the eastern shore of the Gulf of Thailand. Surat Thani means City of Good People, the title given to the city by King Vajiravudh ....

 and Nakhon Si Thammarat Province

Nakhon Si Thammarat Province

Nakhon Si Thammarat is one of the southern provinces of Thailand, at the eastern shore of the Gulf of Thailand...

. It ends at Phatthalung Province

Phatthalung Province

Phatthalung is one of the southern provinces of Thailand. Neighboring provinces are Nakhon Si Thammarat, Songkhla, Satun and Trang.-Geography:...

 joining Route 4

Phetkasem highway

Phetkasem Road or Thailand Route 4 is one of the four major highways in Thailand, along with Phahonyothin Road , Mittraphap Road , and Sukhumvit Road . At 1,274 km, it is the longest highway in Thailand. It begins at Naowa Chamnian bridge in Bangkok Yai, Bangkok...

 again.

Route Details

Route 41 is the main road for lower southern provinces. It starts at Pathomporn Intersection. At this intersection, Route 4 changes direction to the west coast of southern part. Route 41 goes directly southward which is shorter for most southern provinces.

In Chumphon Province, it starts at Amphoe Mueang Chumphon

Amphoe Mueang Chumphon

Mueang Chumphon is the capital district of Chumphon Province, southern Thailand.-Geography:Neighboring districts are Sawi of Chumphon Province, Kra Buri of Ranong Province, Tha Sae and Pathio of Chumphon Province again.-Administration:The district is subdivided into 17 subdistricts , which are...

 and passes through Amphoe Sawi

Amphoe Sawi

Sawi is a district in the central part of Chumphon Province, southern Thailand.-Geography:Neighboring districts are Thung Tako, Lang Suan of Chumphon Province, La-un, Kra Buri of Ranong Province and Mueang Chumphon of Chumphon Province again...

, Amphoe Thung Tako

Amphoe Thung Tako

Thung Tako is a district in the central part of Chumphon Province, southern Thailand.-Geography:Neighboring districts are Lang Suan and Sawi of Chumphon Province...

, Amphoe Lang Suan

Amphoe Lang Suan

-History:Lang Suan was originally a Mueang reporting directly to Bangkok. During the thesaphiban reforms at the end of the 19th century it was put under Monthon Chumphon...

 and Amphoe Lamae

Amphoe Lamae

Lamae is a district in the southern part of Chumphon Province, southern Thailand.-Geography:Neighboring districts are Tha Chana of Surat Thani Province, Phato and Lang Suan of Chumphon province...

. It enters Surat Thani Province at Amphoe Tha Chana

Amphoe Tha Chana

Tha Chana is a district in the north of Surat Thani Province of southern Thailand.-History:The district is already quite old. Originally named Prasong , it was a subordinate of Mueang Lang Suan. In 1906 it was reassigned to Mueang Chaiya, which is now Surat Thani province. The seat of the...

 and passes through Amphoe Chaiya, Amphoe Tha Chang

Amphoe Tha Chang, Surat Thani Province

Tha Chang is a district in the west of Surat Thani Province of southern Thailand.Neighboring districts are Chaiya to the north, the Bandon Bay to the east, Phunphin, Vibhavadi and Ban Ta Khun to the south, and to the west the district Kapoe of Ranong Province.-History:The minor district was...

, Amphoe Phunphin, Amphoe Ban Na Doem

Amphoe Ban Na Doem

-Geography:Ban Na Doem is located in the center of Surat Thani province. Neighboring district are Mueang Surat Thani, Ban Na San, Khian Sa and Phunphin.The Tapi River forms part of the western boundary of the district...

, Amphoe Ban Na San

Amphoe Ban Na San

-Geography:Neighboring districts are Nopphitam and Phipun of Nakhon Si Thammarat Province, Wiang Sa, Khian Sa, Ban Na Doem, Mueang Surat Thani and Kanchanadit....

 and Amphoe Wiang Sa

Amphoe Wiang Sa, Surat Thani Province

-Geography:Wiang Sa is located in the southeast of Surat Thani province. Neighboring district are Phrasaeng, Khian Sa and Ban Na San of Surat Thani, and Phipun, Chawang and Tham Phannara of Nakhon Si Thammarat Province....

. It then enters Nakhon Si Thammarat Province at Amphoe Chawang

Amphoe Chawang

Chawang is a district of Nakhon Si Thammarat Province, southern Thailand.-Geography:Neighboring districts are Phipun, Lan Saka, Chang Klang, Na Bon, Thung Yai and Tham Phannara of Nakhon Si Thammarat, and Wiang Sa of Surat Thani Province.The east of the district is part of the Khao Luang...

, and continues through Amphoe Na Bon

Amphoe Na Bon

Na Bon is a district of Nakhon Si Thammarat Province, southern Thailand.-Geography:Neighboring districts are Chawang, Chang Klang, Thung Song and Thung Yai....

, Amphoe Thung Song

Amphoe Thung Song

Thung Song is a district in the southwestern part of Nakhon Si Thammarat Province, southern Thailand.-Geography:Neighboring districts are Bang Khan, Thung Yai, Na Bon, Chang Klang, Lan Saka, Ron Phibun, Chulabhorn, Cha-uat of Nakhon Si Thammarat Province, Huai Yot and Ratsada of Trang...

, Amphoe Ron Phibun

Amphoe Ron Phibun

Ron Phibun is a district in the southern part of Nakhon Si Thammarat Province, southern Thailand.-Geography:Neighboring districts are Thung Song, Lan Saka, Phra Phrom, Chaloem Phra Kiat, Cha-uat and Chulabhorn of Nakhon Si Thammarat Province.-Administration:The district is subdivided into 6...

, Amphoe Chulabhorn

Amphoe Chulabhorn

Chulabhorn is a district of Nakhon Si Thammarat Province, southern Thailand.The district is named in honor of HRH Princess Chulabhorn, the youngest daughter of King Bhumipol Adulyadej, at her 36th birthday.-History:...

 and Amphoe Cha-uat

Amphoe Cha-uat

Cha-uat is a district in the southern part of Nakhon Si Thammarat Province, southern Thailand.-Geography:Neighboring districts are Thung Song, Chulabhorn, Ron Phibun, Chaloem Phra Kiat, Chian Yai and Hua Sai of Nakho Si Thammarat Province, Ranot of Songkhla Province, Khuan Khanun and Pa Phayom...

. It enters Phatthalung Province at Amphoe Pa Phayom

Amphoe Pa Phayom

Pa Phayom is the northernmost district of Phatthalung Province, southern Thailand.-Geography:Neighboring districts are Khuan Khanun, Si Banphot of Phattalung Province, Huai Yot of Trang Province and Cha-uat of Nakhon Si Thammarat Province.-History:The minor district was established on January...

, and passes through Amphoe Khuan Khanun

Amphoe Khuan Khanun

Khuan Khanun is a district of Phatthalung Province, southern Thailand.-Geography:Neighboring districts are Mueang Phatthalung, Srinagarindra, Si Banphot and Pa Phayom of Phatthalung Province, Cha-uat of Nakhon Si Thammarat Province, and Ranot of Songkhla Province.The Phru Khuan Khi Sian wetlands...

. It ends at Amphoe Mueang Phatthalung

Amphoe Mueang Phatthalung

Mueang Phatthalung is the capital district of Phatthalung Province, southern Thailand.- Geography :Neighboring districts are Khao Chaison, Kong Ra, Srinagarindra, and Khuan Khanun of Phatthalung Province, and Ranot and Krasae Sin of Songkhla Province.The eastern part of the district is at the...

.

Total length is about 390 km. About 110 km is in Chumphon Province, 140 km in Surat Thani Province, 105 km in Nakhon Si Thammarat Province and 35 km in Phatthalung Province. Route 41 is 4 lane, 2 lane for each direction with ditch to separate direction.

Route 41 is also Asian Highway AH2

AH2

The AH2 is a road in the Asian Highway Network running 8230 miles from Denpasar, Indonesia to Khosravi, Iran. The route is as follows:-Indonesia:Denpasar — Surabaya — Surakarta — Semarang — Cikampek — Jakarta...

List of Intersection

• Chumphon Province
  • (Start) Route 4
    Phetkasem highway
    Phetkasem Road or Thailand Route 4 is one of the four major highways in Thailand, along with Phahonyothin Road , Mittraphap Road , and Sukhumvit Road . At 1,274 km, it is the longest highway in Thailand. It begins at Naowa Chamnian bridge in Bangkok Yai, Bangkok...
    
     (westward to Ranong Province
    Ranong Province
    Ranong is one of the southern provinces of Thailand, on the coast of the Andaman Sea. It is the province with the fewest citizens. Neighboring provinces are Chumphon, Surat Thani and Phang Nga...
    
    ), Route 4001 (eastward to Amphoe Mueang Chumphon
    Amphoe Mueang Chumphon
    Mueang Chumphon is the capital district of Chumphon Province, southern Thailand.-Geography:Neighboring districts are Sawi of Chumphon Province, Kra Buri of Ranong Province, Tha Sae and Pathio of Chumphon Province again.-Administration:The district is subdivided into 17 subdistricts , which are...
    
    )
  • Route 4006 (westward to Ranong Province)
• Surat Thani Province
  • Route 4011 (eastward to Amphoe Chaiya
    Chaiya
    Chaiya is a district and town in Surat Thani Province in southern Thailand. The town itself has a population of 13,133 , while the whole district has a population of 47,750.-Geography:...
    
    )
  • Route 417 (eastward to Amphoe Mueang Surat Thani
    Amphoe Mueang Surat Thani
    Mueang Surat Thani is the capital district of Surat Thani Province in southern Thailand.-Geography:The district is located at the mouth of the Tapi River into the Bandon Bay of the Gulf of Thailand...
    
    )
  • Route 4153 (eastward to Amphoe Phunphin, Amphoe Mueang Surat Thani)
  • Route 401
    Thailand Route 401
    Thailand Route 401 is a highway in southern Thailand. It starts from the west coast of the Thai-Malay Peninsula at an intersection with Route 4 near Amphoe Takua Pa, Phang Nga Province....
    
     (westward to Phang Nga Province
    Phang Nga Province
    Phang Nga is one of the southern provinces of Thailand, on the shore to the Andaman Sea. Neighboring provinces are Ranong, Surat Thani and Krabi. To the south is the Phuket province, but without land boundary to Phang Nga....
    
    , Phuket
    Phuket City
    Phuket is a city located in the southeast of Phuket Island, Thailand. It is the capital of the Phuket Province, covering all of the island. As of 2007 the city has a population of 75,573 people...
    
    , eastward to Amphoe Mueang Surat Thani, Nakhon Si Thammarat Province
    Nakhon Si Thammarat Province
    Nakhon Si Thammarat is one of the southern provinces of Thailand, at the eastern shore of the Gulf of Thailand...
    
    )
  • Route 44
    Thailand Route 44
    Route 44 is part of land bridge project. It starts at intersection with Route 4 in Krabi Province, running northeast, and ends at intersection with Route 401 in Surat Thani Province.-Route Details:...
    
     (westward to Phang Nga Province, Krabi Province
    Krabi Province
    Krabi is one of the southern provinces of Thailand, at the shore of the Andaman Sea. Neighbouring provinces are Phang Nga, Surat Thani, Nakhon Si Thammarat and Trang. The Phuket province to the west is also neighbouring, but without any land boundary...
    
    , eastward to Nakhon Si Tammarat Province)
• Nakhon Si Thammarat Province
  • Route 403
    Thailand Route 403
    Route 403 is a road in Thailand that is divided into 3 sections. The first section starts at Amphoe Mueang Nakhon Si Thammarat. It goes south-westward and join Route 41 at Suan Pak junction. The 2nd section starts at Chong Khao junction. It goes westward to Amphoe Thung Song, then goes southward...
    
     #1 (northward to Amphoe Thung Song
    Amphoe Thung Song
    Thung Song is a district in the southwestern part of Nakhon Si Thammarat Province, southern Thailand.-Geography:Neighboring districts are Bang Khan, Thung Yai, Na Bon, Chang Klang, Lan Saka, Ron Phibun, Chulabhorn, Cha-uat of Nakhon Si Thammarat Province, Huai Yot and Ratsada of Trang...
    
    , southward to Trang Province
    Trang Province
    Trang is one of the southern provinces of Thailand, at the western shore of the Malay Peninsula to the Andaman Sea. Neighboring provinces are Krabi, Nakhon Si Thammarat, Phatthalung and Satun....
    
    )
  • Route 403 #2 (northward to Amphoe Mueang Nakhon Si Thammarat
    Amphoe Mueang Nakhon Si Thammarat
    Nakhon Si Thammarat is the capital district of Nakhon Si Thammarat Province in southern Thailand.-Geography:Neighboring districts are Pak Phanang, Chaloem Phra Kiat, Phra Phrom, Lan Saka, Phrom Khiri and Tha Sala...
    
    )
• Phatthalung Province
  • Route 4
    Phetkasem highway
    Phetkasem Road or Thailand Route 4 is one of the four major highways in Thailand, along with Phahonyothin Road , Mittraphap Road , and Sukhumvit Road . At 1,274 km, it is the longest highway in Thailand. It begins at Naowa Chamnian bridge in Bangkok Yai, Bangkok...
    
     #1 (eastward to Amphoe Mueang Phatthalung
    Amphoe Mueang Phatthalung
    Mueang Phatthalung is the capital district of Phatthalung Province, southern Thailand.- Geography :Neighboring districts are Khao Chaison, Kong Ra, Srinagarindra, and Khuan Khanun of Phatthalung Province, and Ranot and Krasae Sin of Songkhla Province.The eastern part of the district is at the...
    
    , westward to Trang Province)
  • (End) Route 4
    Phetkasem highway
    Phetkasem Road or Thailand Route 4 is one of the four major highways in Thailand, along with Phahonyothin Road , Mittraphap Road , and Sukhumvit Road . At 1,274 km, it is the longest highway in Thailand. It begins at Naowa Chamnian bridge in Bangkok Yai, Bangkok...
    
     #2 (eastward to Amphoe Mueang Patthalung, southward to Songkhla Province
    Songkhla Province
    Songkhla is one of the southern provinces of Thailand. Neighboring provinces are Satun, Phatthalung, Nakhon Si Thammarat, Pattani and Yala. To the south it borders Kedah and Perlis of Malaysia....
    
    )