During the Year That Never Was, pilots and space lane traffic was advised to stay away from the planet Earth, which was entering terminal extinction. (TV: Last of the Time Lords)
By 2008, the minimum penalty for space lane fraud was ten years in prison. (TV: Voyage of the Damned)
In 200,000, solar flare activity had increased across space lanes "556" and so all commercial flights were cautioned. Meanwhile, space lane 75 was closed by sunspot activity. (TV: The Long Game)