Due to the road run through the land of the
State Railway of Thailand (SRT), therefore used the name "Kamphaeng Phet Road" in honour of
Purachatra Jayakara, Prince of
Kamphaeng Phet. Who was the first commander of Royal State Railways of Siam (now State Railway of Thailand), and regarded as Father of the Thai railways.
Branches
Kamphaeng Phet Road (ถนนกำแพงเพชร) – starting from Kamphaeng Phet Junction, where it cuts with Phaholyothin Road at the southeast corner of
Chatuchak Weekend Market to the west ending at Rama VI Road in the area of Phahonyothin freight yard near present
Bang Sue Grand Station, this road formerly known as Yan Phaholyothin Road.
Kamphaeng Phet 1 Road (ถนนกำแพงเพชร 1) – is the road runs parallel to Phahonyothin Road outbound from the starting point of Kamphaeng Phet Road to meet with
Vibhavadi Rangsit Road at
Lat Phrao Square.
Kamphaeng Phet 2 Road (ถนนกำแพงเพชร 2) – separate itself from Kamphaeng Phet Road in front of the Or Tor Kor (OTK) Market, pass in front of
JJ Mall and
Bangkok Bus Terminal (Chatuchak), also known as Mo Chit 2 to meet
Ratchadaphisek Road at Ratchavipha Interchange.
Kamphaeng Phet 3 Road (ถนนกำแพงเพชร 3) – is the road linking Kamphaeng Phet 1 Road and Vibhavadi Rangsit Road. The road also known as "Lang Suan Chatuchak Road" (ถนนหลังสวนจตุจักร, "behind Chatuchak park road"), because it passes through rear of
Chatuchak Park and ends at Vibhavadi Rangsit Road near the entrance of
Vachirabenjatas Park, or colloquially known as Rot Fai Park. BMA once had a project to disable this road to combine the three parks together, Chatuchak Park, Queen Sirikit Park, and Vachirabenjatas Park under the name "Chatuchak Metro Park" (อุทยานสวนจตุจักร).[1][2]
Kamphaeng Phet 5 Road (ถนนกำแพงเพชร 5) – is the road along the railway line parallel to Sawankhalok Road, starting from Rama VI Road in Chitralada Wye area. The road along the railway went north to meet with Rama VI Road in the area of the Phahonyothin freight yard. This road also passes through
Sam Sen railway station, which is parallel to the entire length of the Thoet Damri Road.
Kamphaeng Phet 6 Road (ถนนกำแพงเพชร 6) – the longest road among Kamphaeng Phet Series Roads. It is the road along the
Northern and
Northeastern Railway Lines, starting from Kamphaeng Phet 2 Road beside Bangkok Bus Terminal (Chatuchak) northward passing in front of
Wat Samian Nari, before ends at
Rangsit Station (RSI) in
Rangsit area
Thanyaburi District,
Pathum Thani Province. This road also known as "Local Road" (ถนนโลคัลโรด), and part in Pathum Thani Province, it will belong to the Department of Highways as "Highway 3508" (ทางหลวงแผ่นดินหมายเลข 3508), the specific distance in Pathum Thani Province is 4.3 km (2.7 mi).[3]
Kamphaeng Phet 7 Road (ถนนกำแพงเพชร 7) – is the road along the
Eastern Railway Line on the north side, parallel to
New Petchburi Road (which is parallel to the railway on the south side).