Investors focused on the Transportation space have likely heard of Trinity Industries (TRN), but is the stock performing well in comparison to the rest of its sector peers? By taking a look at the stock's year-to-date performance in comparison to its Transportation peers, we might be able to answer that question.Trinity Industries is a member of the Transportation sector. This group includes 144 individual stocks and currently holds a Zacks Sector Rank of #7. The Zacks Sector Rank considers 16 different sector groups. The average Zacks Rank of the individual stocks within the groups is measured, and the sectors are listed from best to worst.The Zacks Rank emphasizes earnings estimates and estimate revisions to find stocks with improving earnings outlooks. This system has a long record of success, and these stocks tend to be on track to beat the market over the next one to three months. TRN is currently sporting a Zacks Rank of #1 (Strong Buy).Over the past three months, the Zacks Consensus Estimate for TRN's full-year earnings has moved 14.94% higher. This is a sign of improving analyst sentiment and a positive earnings outlook trend.According to our latest data, TRN has moved about 1.71% on a year-to-date basis. Meanwhile, stocks in the Transportation group have gained about 1.50% on average. This means that Trinity Industries is outperforming the sector as a whole this year.Breaking things down more, TRN is a member of the Transportation - Equipment and Leasing industry, which includes 16 individual companies and currently sits at #32 in the Zacks Industry Rank. On average, this group has gained an average of 5.70% so far this year, meaning that TRN is slightly underperforming its industry in terms of year-to-date returns.TRN will likely be looking to continue its solid performance, so investors interested Transportation stocks should continue to pay close attention to the company.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Trinity Industries, Inc. (TRN): Free Stock Analysis Report To read this article on Zacks.com click here.