The grades of four 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.

This week, RailAmerica (RA) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. 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.’s (VTNC) grade is moving up to a B (“buy”) this week from last week’s C (“hold”). 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.

Guangshen Railway Co. Ltd. Sponsored ADR Class H (GSH) gets a higher grade this week, advancing from a C last week to a B. Guangshen Railway is a provider of railroad passenger and freight transportation, as well as railway network usage and services. For more information, get Portfolio Grader’s complete analysis of GSH stock.

The rating of J.B. Hunt Transport Services, Inc. (JBHT) moves up this week, rising from a C to a B. J.B. Hunt Transport Services provides transportation and logistics services in the United States, Canada, and Mexico. For more information, get Portfolio Grader’s complete analysis of JBHT 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.