a vehicle roof rack including spaced stationary supports carries cargo which may be loaded or unloaded from either side of the vehicle merely by unlocking a single lock and longitudinally sliding upper elongated cargo supports respectively connected to each of the stationary supports laterally toward and away from a desired side of the vehicle so that the elongated cargo support can also be moved and pivoted in parallel vertical planes to load or unload cargo from the chosen side of the vehicle . an single ink and two guide saddles connect and guide each cargo support relative to the associated stationary support .