1. Highway Dalmatina A1 - Croatian Highway Dalmatina A1 (the ex-Prgomet Highway)

2. Coastal road - Jadranska Magistrala. Beginning at Croatia’s north-western border follow Jadranska Magistrala Road through the following towns before reaching Trogir: 
Rijeka - Senj - Karlobag - Zadar - Sibenik - Primosten – Trogir.

3. Middle Croatian Highway D1 - Beginning at Croatia’s northern border follow the D1  Highway through to the capital city Zagreb and then through to the following towns before reaching Trogir: 
Karlovac - Plitvice (National Park) - Korenica - Gracac - Knin - Drnis – Trogir.

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Traffic directions & signs: To cover the distance from Zagreb to Trogir, you may choose several roads, but the fastest and most reliable one is Highway Dalmatina A1 - Croatian Highway Dalmatina A1. But using this road you should expect a lot of tourist's vehicles and long traffic jams during the summer season.

You can also chose the road through Karlovac, Udbina and Drnis. Using this road, you should save up to 40km and there are no so much traffic like on the Highway Dalmatina A1 or on the section between Knin and Split. Main turning points are shown on the pictures below: