Freight transport between Russia and Poland was suspended on February 1 because of a lack of agreement on permit quotas this year. The sides reached a temporary agreement this week effective until April 15.
A separate transit issue has stranded Russian and Ukrainian trucks on either side of the border.
Ukrainian activists blocked Russian trucks transiting through Ukraine on February 11, demanding a blockade of Russian goods. The Ukrainian cabinet halted Russian cargo traffic across its territory on February 15, triggering a symmetrical response from Russia the next day.