Timeekspressen[url=http://www.timekspressen.no]]has 6 daily departures to [[Oslo[/url]], leaving on top of the hour, every two hours between 8 and 16. Swebusexpress[url=http://www.swebusexpress.se/]]buses also stops here on their [[Göteborg[/url]] - [wiki=f4830432874f86d2e2a1a5f2dbebbc80]Oslo[/wiki] route.
There is about 4-5 daily departures to [wiki=b03aa2420a00dd97ca169ccc6e118708]Göteborg[/wiki] by Västtrafik[url=http://www.vasttrafik.se].]In the summer the Swedish Railways (SJ) runs a X2000 express train to [[Stockholm[/url]] twice a day.
There are serveral ferry's every day across [wiki=5bd74e86380cbc2bc2a5363409c44bc8]Oslofjord[/wiki] to [wiki=04bd74d9bb02221cb5593c4a97371fb1]Sandefjord[/wiki] in [wiki=d5b9290a0b67727d4ba1ca6059dc31a6]Norway[/wiki] with a Color line ferry[http://www.colorline.se]. The previous connection to Langesund was discontinued in December 2008. Ferries also connect Strömstad to the cross-border national park archipelago of Koster and Hvaler, as well as the larger city of Fredrikstad.