This article lists anniversary events related to rail transport that occurred on March 4.

• 1826 – Gridley Bryant's Granite Railway is incorporated.
• 1839 – William F. Harnden, founder of Harnden and Company, becomes the first person to send an express shipment by rail when he ships an express package from Boston, Massachusetts, to Providence, Rhode Island, on the Boston and Providence Railroad.
• 1890 – Formal completion of the 2.5-kilometre (1.6 mi) long Forth Railway Bridge, the world's first major steel bridge.

• 1968 – Pear Tree and Normanton railway station in Derby, England, is closed as part of the Beeching cuts.
• 1996 – A Wisconsin Central freight train derails on a broken switch in Weyauwega, Wisconsin. The Weyauwega derailment forced the evacuation of the entire town until March 20 while fire crews worked to control the resulting blaze.^[1]

• 1826 – Theodore Judah, American engineer who argued the case for construction of the First Transcontinental Railroad, is born (d. 1863).