It'll be five or six ten-days before we can get all that stuff peeled off and get him unblocked.
"Time Crime"
H. Beam Piper
The number of serious collisions upon unblocked roads that have occurred within the past year adds force to the recommendation then made.
"Complete State of the Union Addresses from 1790 to the Present"
Various
Before the chestnut with his jingling bells lay an endless stretch of unblocked roadway, with excellent tracks for the sleigh worn into the snow.
"Atlantis"
Gerhart Hauptmann