In California for highways and busy streets they build sound walls, which are actually just brick brick walls. They use solid bricks, not hollow bricks, and the walls end up looking like this:
If you are a good arbitrator or debater, you might even make a good case to have the city, county or state build it for your neighborhood.
Another alternative is to use trees, shrub bushes or anything that can become a hedge in you yard. Even though the old golf saying is
trees are 90% air but I've never hit one through a tree. the same words for noise. Hedges and trees will block noise too. Either case make sure you follow your local code on both the block and landscaping. Pull permits where necessary.