[Article] The end of Putinism?

"The end seems near for the Putin model," Anders Aslund, Washington Post, 26 Feb 2010. Here.

Good explanation of how Russia's recent hydrocarbon wealth has been at the expense of competitiveness, openness and efficiency. But there's one unexplained non sequitur I'm left puzzling over - this sentence:

"Russia is so corrupt that it has failed to expand its road network since 2000."

I can understand a general argument about how corruption hurts public goods, but why roads specifically?