Tram routes 4 and 4T are replaced by bus 4X between Meilahti and Munkkiniemi from 30 June to 6 July due to construction work on Paciuksenkatu.
In the direction of Munkkiniemi, passengers can change from tram to bus at the Töölön tulli stops 1033 and 1034 located on Mannerheimintie. In the direction of Meilahti, passengers can change from bus to tram at the Töölön tulli stops 1379 and 1378 located on Tukholmankatu.
Bus 4X stops at all bus stops along the route with the exception of Laajalahdentie, Saunalahdentie and Hollantilaisentie where the bus stops at tram stops.
The same tickets are accepted on bus 4X as on trams, i.e. also mobile tickets and tram tickets purchased from ticket machines or with Travel Card are accepted. Also all other HSL tickets valid in Helsinki (Helsinki internal ticket, regional ticket, three-zone extended regional ticket as well as Helsinki internal and regional day tickets) are accepted on the bus.