Amsterdam is surrounded by the ring road A10. The S-routes indicate the city routes that guide motorists into the city centre. Each exit of the ring road A10 is numbered, from S101 to S118. The S-routes offer automobile traffic the fastest and most direct way into the city.
The S-routes are (from the north-west, counter clockwise):
S.101: Westpoort (harbour)
S.102: Westpoort (harbour)
S.103: Haarlemmerweg (towards Halfweg/Haarlem)
S.104: Bos en Lommer
S.105: Geuzenveld
S.106: Osdorp
S.107: Sloten
S.108: Amstelveen
S.109: RAI
S.110: Amstel
S.111: Weespertrekvaart
S.112: Duivendrecht
S.113: Watergraafsmeer, Diemen
S.114: Zeeburg (Amsterdam-Oost, IJ-burg, Oostelijk Havengebied)
S.115: Nieuwendam (Amsterdam-Noord)
S.116: Noord-Volendam (Amsterdam-Noord)
S. 117: Kadoelen (Amsterdam-Noord)
S. 118: Oostzanerwerf (towards Oostzaan, recreational area ‘t Twiske)
Read everything about paid parking in Amsterdam
Read more about construction and maintenance work (right column)
The website of the ANWB (Dutch automobile association) shows real-time traffic information for Dutch roads.