[1][2] There were three plans to convert the railway cutting left behind by the disused Helsinki harbour rail to a new use.

It runs to a new separated-grade vehicle/bicycle junction called Länsilinkki (Western Link) near former level crossing of Hietalahdenranta street with a total length of 1.5 kilometres (0.93 mi) and an average depth of 7 metres (23 ft).

In the wide part near Ruoholahdenkatu sports-related facilities have been provided for skateboarding and table tennis.

[5] Baana chasm has been used for performances during annual festival Night of the Arts.

Baana received a special mention in European Prize for Urban Public Space competition in 2014.