The main local bus operator is Stagecoach – Hampshire Bus which provides services from Basingstoke bus or railway stations to or through the Parish of Old Basing & Lychpit.
The community bus timetable can be found here.
Enquiries +44 (0) 8712 002 233 (there is a charge for calls)
Visit the Stagecoach bus website
for the most up to date timetables (recommend using Basingstoke as location)
(using personal transport)
Old Basing is approached via the A30 and/or A33 and is close to Junction 6 of the M3 (London to Southampton motorway) and only 14 miles from Junction 11 of the M4 (London to South Wales motorway).
Using Google Maps is a great way to get directions (and a visual update on traffic conditionals).