Complex sentence: A monument in his honor was unveiled near Congress in 1999 and National Route 1 was named after him in 2004; the expressway connects Buenos Aires with his adopted city, La Plata.
Split into simpler sentences: A monument in his honor was unveiled near Congress in 1999 and National Route 1 was named after him in 2004. The expressway connects Buenos Aires with his adopted city, La Plata.