The A11 motorway () is an incomplete motorway in Croatia, long. It connects the Jakuševec interchange of the Zagreb bypass, to the south of Zagreb, to Velika Gorica and onwards to Sisak, but currently reaches only the Lekenik exit, as of the planned route, are completed. The motorway is planned as a north–south transportation corridor for commuter traffic between the cities.
The A11 motorway tender procedures and construction works were initiated in 2006. After several delays attributed to planning and land ownership issues, as well as funding and lack of political support, the first section of the A11 was opened in 2009, just long. The delays continued to hinder progress of development of the route, and in 2010 construction works were restarted. The A11 motorway construction was criticized as too expensive in comparison to other Croatian motorways and as a site of political promotion and bickering. In November 2015, the A11 was first connected to the national motorway network at the Jakuševec interchange, which serves as its connection to the A3 motorway. As of 2016, the motorway does not have a scheduled completion date.
The motorway consists of two traffic lanes and an emergency lane in each driving direction separated by a central reservation. Both intersections of the A11 motorway are grade separated. As of January 2016, there are five exits along the route, and one rest area. The motorway is tolled on the sections south of Velika Gorica using a ticket system, while the remainder is toll-free, like the rest of the Zagreb and Velika Gorica bypass roads.
Route description
The A11 motorway is an incomplete north–south motorway in Croatia, spanning D30 and D31 state roads south of Velika Gorica. The designed motorway route is of regional importance as it is planned to gradually take over traffic from state road network in the area, especially the D30 which carries a significant commuter traffic volume between Zagreb, Velika Gorica and Sisak. As of January 2016, of the route are open to traffic, connecting the D31 and the D30 roads at Velika Gorica and Poljana Lekenička exits respectively. The D30 and the D31 have a shared intersection in Velika Gorica itself, providing an alternative route to the motorway section. Legally designated termini of the A11 motorway are the Jakuševec interchange on the Zagreb bypass and Sisak.
The A11 motorway has at least two traffic lanes and an emergency lane in each direction along its entire length. The Velika Gorica interchange is a cloverleaf interchange. The A11 route is not tolled from Jakuševec up to the Mraclin mainline toll plaza, after which point it is tolled at the Buševec and Lekenik exits, which comprise trumpet interchanges.
An automatic traffic monitoring and guidance system is in place along the motorway. It consists of measuring, control and signaling devices located in zones where driving conditions may vary, such as at interchanges, viaducts, bridges and zones where fog and strong wind are known to occur. The system uses variable traffic signs to communicate changing driving conditions, possible restrictions and other information to motorway users. The A11 motorway mainly runs through a plain, south of Sava River, requiring no major structures except for the exit interchanges themselves.