Slavonska Avenue (Croatian: Slavonska avenija) is a controlled-access avenue in Zagreb, Croatia. It is the longest street in Zagreb, being 18 km (11 mi) long. It mostly has a 70 km/h (43 mph) speed limit, although the speed is limited to 100 km/h (62 mph) on a short section near the Ivanja Reka interchange with the Zagreb bypass and to 130 km/h (81 mph) on the section between the Ivanja Reka interchange and Zagreb city limits.