The Grundplan did not include new streets in the city core, but a few street
improvements were subsequently carried out. A start was made with the widening of the
Graben Gasse and the Stock im Eisen Platz in the 1860s, which meant that an awkward
obstacle to traffic between Graben and Stephansplatz disappeared.31 Later street
improvements involved the stretch including Kärntner Straße and Rotenturmstraße, as
well as Wipplinger Straße. A major project was the creation of the Michaelerplatz
towards the end of the century as a forecourt to the main entrance of the Hofburg, an
undertaking which ended in the cause célèbre of the construction in 1910–11 of the
famous ‘Looshaus