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Some changes from 3rd January 2023 – Service X4 and X21

As a result of continual traffic congestion causing reliability problems for our Crosstown Service X4 we have decided to split the route at Eastleigh Bus Station for our Velmore customers.


A revised timetable for the X4 service will be introduced and a new X4A service will operate from the Bus Station to Velmore Estate. Details of the new timetables will be shown under “Travel Times” shortly.


Also from the same date, to improve reliability, the Service X21 between Southampton City Centre and Chilworth Science Park will operate a reduced timetable in both directions. Timings will also be changed as follows:

0645 and 0815 from Vincents Walk to Science Park

1630 and 1800 from Science Park to Vincents Walk