For some reason, they took the back route.
You might take a back route to where you're going.
Some fighters proposed taking a back route through the desert to attack Gaddafi's forces.
I remember once walking out of my hospital, and taking the back route which passes through a council estate.
Crossing Windermere by ferry, you take a back route to the hotel, tackling rocky outcrops, shallow water and steep drops.
He takes a back route from the court and, with extraordinary ease, seems to lose the agents.
To his driver he suggested tightly, "Charlie, you ever make that right up there?" Charlie knew a back route.
It gave me a back route into the conflict, via the experience of a writer who manages to avoid the cliches and the overall stuckness of the situation.
The main road was clear, but as we approached the hospital, black smoke billowed up from burning tires blocking our passage, forcing us to take a back route.
Classic Angkor Wat by night, by bike, by tuk tuk, by the back route etc; drinking at the Foreign Correspondents Clubb in Phnom Penh; the open-top bamboo train in Battambang.
