Motorway 7 (Thailand)

Motorway Route 7, in the beginning, was called Bangkok–Chonburi Road or Bangkok–Chonburi Road New Line. It is an eight-lane intercity-motorway and originates in Si Rat Expressway Section D and Rama IX Road at the Sri Nagarindra Interchange in Suan Luang District, heading Eastern Thailand.[2] It crosses Saphan Sung District, Prawet District, and intersects Kanchanaphisek Road (Motorway Route 9) at Thap Chang Interchange in Prawet District, and Rom Klao Road (National Route 3119) at Rom Klao Interchange in Lat Krabang District, and on through Samut Prakan Province, Chachoengsao Province and finally Chonburi Province at Khiri Nakhon Interchange in Mueang Chonburi District.

The second section, is called Chonburi–Pattaya Road. It goes through Si Racha District, connecting Laem Chabang at Nong Kham Interchange. This section originating from Bangkok to this area is part of Asian Highway 19 (AH19) and another section originating from this area to Pattaya is part of Asian Highway 123. In this section, it is a six-lane intercity-motorway and intersects National Route 36 at Pattaya Interchange, and finally ends and joins Sukhumvit Road (National Route 3) in Map Ta Phut, Rayong.

The spur routes connect between main route and the economic area, also National Routes including Sukhumvit Road. This routes heading to coasts are planned as the semi-controlled access motorway. The spur routes branches from Motorway Route 7 are:

• Motorway−Bang Wua Spur Route, connecting between Motorway Route 7 to Debaratna Road.
• Motorway−Chonburi Spur Route, connecting between Motorway Route 7 to National Route 361.
• Motorway−Laem Chabang Spur Route, connecting between Motorway Route 7 to Laem Chabang Port.
• Motorway−Pattaya Spur Route, connecting between Motorway Route 7 to Sukhumvit Road.
• Motorway−Ban Amphoe Spur Route, connecting between Motorway Route 7 to Sukhumvit Road.

The frontage routes are the local roads running parallel to motorway route 7. They are designated as National Route both left and right routes. The left route is Thailand Route 3701 and Thailand Route 3702.