Where should you place the reflective triangles when you must park on a side of a level, straight, four-lane divided highway?

A One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear.

explanation

If you must stop on or by a one-way or divided highway, place warning devices (i.e. flares, triangular reflectors, cones, etc.)10 feet, 100 feet, and 200 feet toward the approaching traffic. [California Commercial Driver Handbook]