direction of arrow, Kameido station

Looks the direction is being emphasized by those four arrows. What direction are those arrows showing ?

http://saywhatjapan.com/translate-japanese/transportation/direction-of-arrow-kameido-station/2018/05/https://i1.wp.com/saywhatjapan.com/wp-content/uploads/2018/05/DSC_0865-768x432-1.jpg?fit=768%2C432https://i1.wp.com/saywhatjapan.com/wp-content/uploads/2018/05/DSC_0865-768x432-1.jpg?resize=150%2C1502018-05-11T09:29:06+00:00TSTRANSPORTATIONarrow,Kameido,sta,stationLooks the direction is being emphasized by those four arrows. What direction are those arrows showing ?TS stmmy12o17@gmail.comAdministratorSAY WHAT !?, JAPAN ! - translate "THE" Japanese in towns