On a long downhill grade, it is recommended that you: CDL On a long downhill grade, it is recommended that you:Answer: Gear down and keep your speed 5 mph below the "safe speed" Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.