Route 173Z will be diverted in Upinniemi on Thursday 5 August from 2.00pm to 3.00pm and on Friday 6 August from 9.30am to 11.30am due to a military oath ceremony.
The bus will not run via Upinniemen rantatie when departing from the Upinniemi School bus stop (Ki1006, "Upinniemen koulu"). Instead, the bus will turn back to Upinniementie. The following stops will not be served: "Upinniemi" (Ki1003), "Kaislalahti" (Ki1001), "Sotilaskoti" (Ki1002), "Verkkoniemi" (Ki1005) and "Rakentajantie" (Ki1007).
The diversion may also be in place at other times.