Wire harness

A wire harness comprising:

• a first conductor path having a high priority in protection;
• a second conductor path having a priority in protection which is lower than that of the first conductor path;
• and
• an external member having a tubular shape and accommodating the first conductor path and the second conductor path altogether so as to protect them,
• wherein the external member has a form in which the first conductor path is positioned farther away from a road surface than the second conductor path within a predetermined range in a longitudinal direction thereof, and
• wherein the external member has a ceiling wall, a bottom wall, a left wall, and a right wall, in which the ceiling wall has a larger radius of curvature than the bottom wall.