Hraničné priechody: Gradina — Kalotina, Mokranje — Bregovo, Rgotina — Vrška Čuka, Ribarci — Oltomanci, Vrška Čuka (SRB)...
K 03:37 najkratší rad je na priechode Gradina — Kalotina (25 min). Najdlhší rad — Žeravino — Strezimirovci (25 min).
Serbia → Bulgaria runs mainly through Gradina–Kalotina on the E80/A4. Queues are typically light to moderate (30 minutes to 2 hours). Tolls apply on both motorways. Serbian-registered vehicles can buy Bulgarian e-vignettes online before crossing to avoid border-area kiosks.