It's clogged with traffic, noisy, poorly planned and struggling to cope with WestConnex and other construction.

Few would dispute NSW Treasurer Dominic Perrottet's comment last year that Parramatta Road had to be "one of Australia's ugliest road corridors".

The occasion was the state government announcing work would commence this financial year on the first of 32 projects to revitalise a 22-kilometre-long swath of the city between the main western railway line and Parramatta River.

Artist's impression of how Pyrmont Bridge Road could look in the proposed revitalisation of the Parramatta Road corridor. Credit:Greater Sydney Commission

"It's exciting to imagine what this ambitious urban renewal project will look like in 12 months' time," NSW Planning Minister Anthony Roberts said last June.