Over 2.6 million pilgrims crossed Iran’s borders to Iraq for the Arbaeen pilgrimage between July 26 and August 8, according to Iranian officials. The majority, 47%, used the Mehran border, while Shalamcheh, Khosravi, Chazabeh, Tamarchin, and Bashmaq accounted for other significant portions. Traffic conditions varied, with notable congestion on certain routes. Approximately 828,323 pilgrims returned to Iran, reflecting a 2% increase compared to the previous year. The Arbaeen pilgrimage commemorates the martyrdom of Imam Hussein and serves as a profound expression of Shia Muslim unity, devotion, and resilience, highlighting the event’s lasting significance in the Islamic community.