It is 7 kilometres (4.3 mi) long and links Rivervale and East
Perth with West Perth, bypassing Perth's central business district.
It was named after the Australian rules footballer, Graham "Polly"
Farmer, who played between 1953 and 1971 in both the WAFL and VFL
leagues.
The freeway incorporates Western Australia's only freeway
tunnel, the Northbridge Tunnel. The 1.6-kilometre (1 mi) tunnel has
two traffic lanes and an emergency stopping lane in each direction,
with an escape passageway between the carriageways. The tunnel is
colloquially known as the "Polly Pipe", a reference to the
freeway's namesake, also humorous because "Poly Pipe" is a
colloquial reference to plastic pipes (commonly made from
polyethylene or polyvinyl chloride materials) used in reticulation
and plumbing. Both tunnel portals feature public art installations.
At the western end there is a pictorial history of Northbridge, and
at the eastern end the Aboriginal artist Ron Corbett created images
based on indigenous artwork. The transportation of dangerous goods
and explosives through the freeway tunnel is prohibited.
Micro cache only has log and no writing stick... byo.
Remember the number on the light post nearest to the cache You
will need this number for the cache Polly Underweld [GC24ADY].
There are some benches close by to rest and take in the views of
St. Brigid's Catholic Church. Enjoy!