The grades of three road and rail stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

RailAmerica (RA) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. RailAmerica owns and operates short-line and regional freight railroads in North America. For more information, get Portfolio Grader’s complete analysis of RA stock.

Vitran Corporation Inc. (VTNC) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Vitran provides freight surface transportation and related supply chain services in Canada and the United States. For more information, get Portfolio Grader’s complete analysis of VTNC stock.

Avis Budget Group, Inc.’s (CAR) ratings are looking better this week, moving up to a B from last week’s C. Avis provides cars and trucks for businesses and consumers to rent in the United States and internationally. Shares of CAR have increased 5.4% over the past month, better than the 1.3% decrease the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of CAR stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.