Some 80% of Costa Rica's exports and imports, and a chunk of Nicaragua's, pass along a single-carriageway road and a modest wharf at the run-down Caribbean port of limon.

哥斯达黎加80%的进出口和尼加拉瓜的大部分进出口，都依赖于一条单行道和利蒙省一个破败的加勒比港口的小码头。