Japan National Route 15

National Route 15
National Route 15
国道15号
Route information
Length	29.2 km (18.1 mi)
Existed	4 December 1952–present
Major junctions
North end	National Route 1 in Nihonbashi, Chūō, Tokyo
	National Route 130; National Route 357; National Route 131; National Route 409; National Route 132;
South end	National Route 1 in Yokohama
Location
Country	Japan
Highway system
	National highways of Japan; Expressways of Japan;

National Route 15 (国道15号, Kokudō Jūgo-gō) is a national highway connecting Tokyo and Yokohama in Japan. It is commonly referred to as Dai-Ichi Keihin (第一京浜).