Complex sentence: Each exit between Grobnik mainline toll plaza and Bosiljevo 2 interchage has a toll plaza, but no toll is charged at Bosiljevo 2 where the traffic switches to the A1 motorway, and is tolled upon leaving the A1 motorway.
Split into simpler sentences: Each exit between Grobnik mainline toll plaza and Bosiljevo 2 interchage has a toll plaza. No toll is charged at Bosiljevo 2 where the traffic switches to the A1 motorway; traffic is tolled upon leaving the A1 motorway.