The grades of 7 Road & 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.

Union Pacific Corporation’s (UNP) ratings are looking better this week, moving up to a B from last week’s C. Union Pacific Corporation provides rail transportation services. The company also gets A’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of UNP stock.

Landstar System, Inc. (LSTR) is seeing ratings go up from a B last week to a A this week. Landstar System, Inc. is a provider of freight transportation services and supply chain solutions. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of LSTR stock.

This is a strong week for Ryder System, Inc. (R). The company’s rating climbs to B from the previous week’s C. Ryder System, Inc. offers supply chain management solutions and provides full-service leasing, contract maintenance and commercial rental of vehicles to customers. The company also gets A’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of R stock.

This week, Canadian National Railway Company’s (CNI) ratings are up from a C last week to a B. Canadian National Railway Company is a transportation company offering services in rail, intermodal, trucking, freight forwarding, warehousing, and distribution. The company also gets A’s in earnings revisions, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of CNI stock.

CSX Corporation (CSX) boosts its rating from a C to a B this week. CSX Corporation provides traditional rail service and the rail-based transport of intermodal containers and trailers. For more information, get Portfolio Grader’s complete analysis of CSX stock.

Swift Transportation Company Class A (SWFT) gets a higher grade this week, advancing from a B last week to a A. Swift Transportation Company Class A is a truckload carrier in North America. The company also gets A’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of SWFT stock.

This week, Heartland Express, Inc. (HTLD) pushes up from a C to a B rating. Heartland Express, Inc. transports a variety of goods, including appliances, automotive parts, paper products, retail goods, and packaged foodstuffs. For more information, get Portfolio Grader’s complete analysis of HTLD 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.