Entry: infernous (adj.)
In context: "...the final fiscal eyar that actual maintenance-work had ever been done on the infernous six-lane commuter-ravaged Commonwealth Route 24..."
Definition: A neologism, but clear enough. From inferno (n.):
Hell; a place of torment or misery compared to hell; a place likened in some respect to the Inferno of Dante's Divine Comedy.
Other: And here's the etymology, which makes it even clearer:
Etymology: < Italian inferno < late Latin infernus hell (Ambrose).
SNOOT score: 1
Source: Oxford English Dictionary