North
Route 1: Bangkok – Rangsit (Phaholyothin Road or Highway 1) – Ayutthaya – Ang Thong – Sing Buri (Highway 32) – Chai Nat (Manorom district) – Nakhon Sawan
Route 2: Bangkok – Nonthaburi (Highway 340) – Suphan Buri (Highway 340) – Chai Nat (Phaholyothin Road or Highway 1) – Nakhon Sawan
Route 3: Bangkok – Rangsit – Ayutthaya’s Wang Noi district – Saraburi – Lopburi (Phaholyothin or Highway 1) – Nakhon Sawan’s Tak Fa district (Highway 11) – Phitsanulok
Route 4: Bangkok – Rangsit – Khlong Luang interchange (Phaholyothin Road or Highway 1) – Pathum Thani’s Chiang Rak Noi sub-district (Highway 3214) – Highway 347 – Highway 32 to the North
Route 5: Bangkok – Eastern Kanchanaphisek Road (Motorway 9) – Mahachulalongkornrajavidyalaya University interchange – Ayutthaya’s Wang Noi district (Phaholyothin Road or Highway 1) – Rojana Road (Highway 309) – Highway 32 to the North
Northeast
Route 1: Bangkok – Saraburi (Phaholyothin Road or Highway 1) – Lopburi’s Muang Khom sub-district (Highway 21) – Lopburi’s Tha Luang district (Highway 2256) – Nakhon Ratchasima’s Dan Khun Thot district (Highway 2148) – Mittraphap Road or Highway 2 to Nakhon Ratchasima
Route 2: Bangkok – Ayutthaya’s Wang Noi district (Phaholyothin Road or Highway 1) – Saraburi – Nakhon Ratchasima’s Pak Chong district – Nakhon Ratchasima’s Sikhiu district (Mittraphap Road or Highway 2) – Nakhon Ratchasima
Route 3: Bangkok – Nakhon Nayok’s Ban Na district (Highway 3051) – Saraburi’s Kaeng Khoi district (Highway 3222) – Nakhon Ratchasima’s Pak Chong district (Mittraphap Road or Highway 2)
Take Highway 33 to get to Prachinburi’s Kabin Buri district or Sa Kaew’s Aranyaprathet district
Route 4: Bangkok – Chachoengsao (Highway 314 or 304) – Chachoengsao’s Phanom Sarakham district – Prachinburi’s Kabin Buri district – Nakhon Ratchasima’s Wang Nam Khiao district – Nakhon Ratchasima’s Pak Thong Chai district (Highway 304) – Nakhon Ratchasima
Route 5: Bangkok to Ayutthaya’s Wang Noi district (Phaholyothin Road or Highway 1) – Saraburi – Nakhon Ratchasima’s Pak Chong district – Nakhon Ratchasima’s Sikhiu district (Mittraphap Road or Highway 2) – Motorway 6 (detour at KM65+200) – Nakhon Ratchasima
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East
Route 1: Bangkok – Chonburi (Motorway 7)
Route 2: Bangkok – Chachoengsao’s Bang Pakong district (Highway 34) – Chonburi (Sukhumvit Road or Highway 3)
Route 3: Bangkok – Chonburi’s Phanat Nikhom district (Highway 304) – Chonburi
Route 4: Bangkok – Debaratna road or Highway 34 – Bang Na Expressway – Chonburi (Sukhumvit Road or Highway 3)
South
Route 1: Bangkok – Samut Sakhon – Samut Songkhram (Highway 35) – Ratchaburi’s Wang Manao interchange – Phetchaburi (Phet Kasem Road or Highway 4) – Prachuap Khiri Khan
Route 2: Bangkok to Nakhon Pathom’s Sam Phran district – Nakhon Pathom’s Nakhon Chaisi district – Nakhon Pathom – Ratchaburi – Ratchaburi’s Wang Manao interchange – Phetchaburi (Phet Kasem Road or Highway 4) – Prachuap Khiri Khan
Route 3: Bangkok – Borommaratchachonnani road (Highway 338) – Nakhon Pathom’s Nakhon Chaisi district – Nakhon Pathom – Ratchaburi – Ratchaburi’s Wang Manao interchange – Phetchaburi (Phet Kasem Road or Highway 4) – Prachuap Khiri Khan
Call the Highway Department at 1589 or Highway Police at 1193 for additional information or to report an accident.