Free bus travel every weekend in September – Plymouth Portsmouth

Two cities, Plymouth and Portsmouth, are running a free bus travel every September weekend. See links below for more info.
Offer link – Portsmouth: portsmouth.gov.uk/newr-0 .
The offer will be available on 5 to 6 September, 12 to 13 September, 19 to 20 September and 26 to 27 September.
It applies to people of all ages using First Bus, Stagecoach and Pompey Link services in Portsmouth.
Taking advantage of the offer is simple. No ticket is needed. Just board the bus and ride, as long as your journey starts within the Portsmouth boundary.
Offer link – Plymouth: plymouth.gov.uk/freber .
Everyone starting their journey within the Plymouth city boundary can travel for free on all registered local bus services every Saturday and Sunday throughout September.
Plymouth Citybus, including Go Cornwall services operating within Plymouth (excludes Plymouth Argyle match day specials)
Stagecoach South West (excludes South West Falcon)
Tally Ho