You don't have to wait to get to the golf course to practice your strokes. You're swing path and swing plane will improve by doing these exercise and ultimately leave you with a straighter hit. This drill can even be done inside.
Practicing the gate drill could really help improve your golf swing. By simply swinging "through the gates" you can practice on getting your initial drill to get a straight drive and go where you want it to go. This tip will not only pump up your drive but will also work on improving accuracy and gaining more distance in your drive. This video will demonstrate how to improve your golf swing with the gate drill.
With these tips you can fully extend your drive and master the art of distance and accuracy.