Do I need a Green Card to drive the M17 and cross into Croatia? Is the M17 safe for a rental car from Mostar Airport? Which rental companies are commonly used for Mostar and Sarajevo transfers? Can I use the same insurance for Sarajevo, Mostar, and Dubrovnik? What should I check if I want to visit Stari Most, Blagaj Tekija, or Kravice Waterfalls by car? Driving Tips The M17 is the main overland route between Sarajevo and Mostar, and most rental-car drivers use it for the same reasons: it is direct, scenic, and governed by clear national rules. The route is about 130 km, follows the Neretva canyon, and passes through Herzegovina before reaching Mostar Centar and Stari Grad. Bosnia and Herzegovina uses road-type speed limits rather than a single nationwide motorway rule, and the M17 is mostly an 80 km/h open-road corridor with local settlement limits that drop to 50 km/h. The A1 motorway sections near Sarajevo-Tarčin and Mostar-Bijača are the main exception, with 130 km/h posted where the motorway is fully open. Zone Limit Notes Built-up area 50 km/h Some signed urban roads allow 60 km/h if posted. Open road / non-built-up 80 km/h This is the standard for much of the M17 between Konjic and Čapljina. Expressway 100 km/h Used on signed motor-vehicle roads, not on the normal M17. Motorway (A1) 130 km/h Relevant for Sarajevo-Tarčin and sections toward Mostar-Bijača. 💡 Tip: BIHAMK, the Bosanskohercegovački auto-moto klub, publishes roadside conditions and police-warning updates for Bosnia; dispatch 1282 is the number most drivers save before entering the canyon. Speeding fines in Bosnia are tied to the amount over the limit, and the penalty structure became especially relevant after the 2023 legal updates in Službeni glasnik BiH 88/23. Small violations can still cost 30 KM for up to 10 km/h over the limit, while more serious speeding can reach 400-1,000 KM, two penalty points, and a two- to six-month driving ban for the highest categories. ⚠️ Warning: If a rental company such as rent.ba (CityRent), Carrus, Nur Rent A Car, MANDI Rent A Car, or Sixt BiH takes a card pre-authorisation, the hold can reduce available credit even when the final rental price is lower, so confirm the deductible and excess before you leave the desk. Bosnia and Herzegovina applies a very low alcohol limit for general drivers and zero tolerance for several higher-risk categories. For most drivers, the legal BAC limit is 0.03% (0.3‰), while drivers under 21, drivers with less than three years of licence experience, and professional drivers are subject to 0.0% zero tolerance. The practical point is that any measurable alcohol creates major insurance risk in a rental car, especially when the rental contract references CDW, SCDW, or full coverage with or without Zero Excess. On 2024-10-04, a U.S. Embassy Sarajevo security alert described a major M17 landslide disruption near Donja Jablanica, and local insurers and roadside operators continued treating that corridor as a higher-risk zone during recovery work. ⚠️ Warning: A BAC-related breach can void third-party liability support from the rental chain and expose the driver to the full deductible, even where the rental included collision damage waiver wording. A Bosnia rental car should carry the legal minimum equipment before you leave Sarajevo Airport (SJJ), Mostar Airport (OMO), Dubrovnik Airport (DBV), or any city depot in Mostar Centar. Under Bosnia’s road-safety framework, the key issue is not only what the car contains but also whether the driver’s documents match the trip, the border, and the licence class. Headlights: Low-beam headlights are required day and night, all year round, on all public roads in Bosnia and Herzegovina. International Driving Permit (IDP): An IDP is required for many non-EU/EEA visitors, including most travellers from the USA, Canada, Australia, and the UK, unless a specific bilateral recognition rule applies. Mandatory equipment: Carry a warning triangle, reflective vest, first-aid kit, spare bulbs, and a tow rope where the rental contract or local law requires them. Illegal devices: Radar detectors and radar-detection dashcam features are prohibited, and police enforcement can include confiscation and fines. For licence and vehicle administration, Bosnia also relies on IDDEEA and the License Plate Subsystem for registration controls, while inspection and enforcement issues may involve the Federation MUP, MUP KS, or the Federalna Uprava za Inspekcijske Poslove depending on where the stop occurs. 💡 Tip: If you plan to cross from Bosnia into Croatia through Doljani, Bijača, Hum, or Karasovići, ask the rental desk whether the car includes a Green Card and written cross-border permission before departure; this matters even more if your route continues toward the Pelješac Bridge. The M17 is not uniformly difficult, but several named sections demand slower driving and more planning. The highest-risk areas are the Tarčin-Konjic approach, the Rakovica roundabout works near Sarajevo, and the landslide-prone Konjic-Jablanica corridor around Donja Jablanica. Tarčin sits on the Sarajevo side of the corridor, while Konjic and Jablanica mark the first major canyon-heavy segment deeper into Herzegovina. JP Ceste FBiH has treated the Tarčin-Konjic zone as a black-spot area, and JP Autoceste FBiH remains relevant on the adjacent A1 approach from Tarčin toward Sarajevo. Near Sarajevo, the Rakovica roundabout reconstruction can slow drivers leaving toward the M17, especially if they are coming from Sarajevo International Airport (SJJ). On the southern side, the open terrain around Čapljina and the approach to Mostar Centar are easier to drive, but the weather can still change quickly in the Neretva canyon. Wildlife is also a realistic hazard on rural stretches between Konjic, Jablanica, and Mostar, and livestock may enter the carriageway without reflectors after dark. Drivers heading onward to Blagaj, Počitelj, Međugorje, or Kravice Waterfalls should add buffer time because local roads are narrower than the M17 — see our day trips guide for distances, parking notes, and seasonal cautions on each route. ⚠️ Warning: After major rainfall, check BIHAMK, AMS BiH, AMS RS, and JP Ceste FBiH before departure; the M17 can reopen with single-lane control or short closures even when the rest of the corridor is clear. If a rental car breaks down on the M17, use the official roadside-assistance channel rather than accepting an unsolicited tow truck. In Bosnia and Herzegovina, BIHAMK dispatches 1282, and many insurers or rental partners will only recognize documented assistance from an approved operator. BIHAMK’s quoted non-member tow pricing, as published for 2026, starts from 58.90 BAM for a flatbed tow plus 1.56 BAM per km beyond 20 km, with 17% VAT added. That means a 40 km tow can reach roughly 105 BAM, which is usually lower than the 300-500 BAM often charged by unlicensed roadside operators in the Mostar and Konjic market. If your route touches Republika Srpska, AMS RS uses 1285; if you are dealing with a Federation BiH or Hercegovina-Neretva Canton case, the local response chain may involve AMS BiH alongside BIHAMK coordination. For a city drop or recovery near the old town, Mostar parking can be a practical reference point, especially if the rental car is being moved to a monitored area. 💡 Tip: Keep the BIHAMK number, your rental voucher, and your insurer’s claim line together in one note on your phone; if the car has Zero Excess or full coverage, the paperwork still matters for release and claims handling. Fuel stations on the M17 are common in Sarajevo, Konjic, Jablanica, Čapljina, and Mostar, but planning is more important if you drive an EV or a plug-in hybrid. The most useful backup apps are FMT FBiH oil info for fuel-price checking, PlugShare for charger locations, and Electromaps for cross-border charging checks. Most petrol stations accept cards, but some rural stops still prefer cash in KM, so it is sensible to keep a small reserve for coffee, parking, or a short top-up. If you are arriving from SJJ or OMO late at night, it is safer to refuel before leaving the airport belt rather than relying on canyon-side hours. Do I need a Green Card to drive the M17 and cross into Croatia? Yes, you usually need a Green Card if your M17 trip continues into Croatia or another non-BiH jurisdiction. The cross-border paperwork is commonly checked at Doljani, Bijača, Hum, or Karasovići, and the Pelješac Bridge route is not a substitute for insurance documentation as of 2026. The caveat is that some insurers issue Croatia coverage automatically, so you must confirm the policy wording before departure. Is the M17 safe for a rental car from Mostar Airport? Yes, the M17 is suitable for a standard rental car, provided the driver respects the 80 km/h open-road limit and watches the canyon sections near Konjic and Jablanica. BIHAMK and JP Ceste FBiH have both highlighted weather, landslide, and construction sensitivity on this corridor, especially after heavy rain in 2024 and 2025. The caveat is that night driving is less forgiving, so a slower pace is safer than following GPS speed estimates. Which rental companies are commonly used for Mostar and Sarajevo transfers? Most travelers compare companies such as rent.ba (CityRent), Carrus, Nur Rent A Car, MANDI Rent A Car, Rent A Car Champion, E&G Rentacar, Yes.ba, Sixt BiH, Hertz, Europcar, Avis, Wheego, CarWiz, Surprice, Green Motion, Drive365, Trio Rent a Car, and Hyundai Rent a Car. Availability and deposit rules change by date and airport, so the exact price can differ between OMO, SJJ, and DBV pickup points. The caveat is that each desk may require a different pre-authorisation amount, deductible, or cross-border fee. Can I use the same insurance for Sarajevo, Mostar, and Dubrovnik? Often yes, but only if the rental contract explicitly includes third-party liability, Green Card coverage, and the border countries you intend to enter. Bosnia rentals can vary by supplier and by pickup location, and some policies differentiate between Federation BiH use, Republika Srpska use, and Croatia entry. The caveat is that zero-deductible marketing language is not the same as Zero Excess in the signed contract, so read the voucher before accepting the car. What should I check if I want to visit Stari Most, Blagaj Tekija, or Kravice Waterfalls by car? You should check parking, one-way streets, and local access rules before you leave the M17 for the old town or the day-trip roads. Stari Most, Old Bridge Diving Competition dates, Mostar Summer Fest on 2-4 Jul 2026, and the Red Bull Cliff Diving World Series on 31 Jul-1 Aug 2026 can all create heavier traffic in Mostar Centar, while Blagaj Tekija, Počitelj, Međugorje, and Kravice Waterfalls can attract coach traffic on weekends. The caveat is that event traffic is temporary, so the same road can feel easy one day and crowded the next.