Exploring the D307: A Motorcyclist’s Guide to the Donja Stubica–Marija Bistrica Route

The D307 is a state road situated in the northern part of Croatia, running between the town of Donja Stubica and the village of Marija Bistrica. The route traverses the picturesque region of Hrvatsko Zagorje, an area known for its rolling hills and cultural landmarks. The road passes through several settlements, including Golubovečka ulica, Toplička cesta, Ulica grofova Oršić, Ulica Matije Gupca, and Trg Matije Gupca. The starting point is located approximately 1.3 km (0.8 miles) from Donja Stubica, while the endpoint is in close proximity to Marija Bistrica, a well-known pilgrimage site. An interactive map showing the D307 route can be found at the end of this article.

The D307 extends for approximately 15.2 km (9.4 miles), offering a moderately curvy ride suitable for a range of motorcycling skill levels. The road surface is asphalt and is generally rated as excellent, providing a smooth and predictable riding experience. The majority of the route features two lanes (about 97%), with the road width being predominantly wide (about 79%), ensuring comfortable passage for both motorcycles and other vehicles. The elevation ranges from 161 m (528 ft) to 237 m (778 ft), with gentle gradients that do not pose significant challenges. The maximum speed limit varies between 40 km/h (25 mph) and 50 km/h (31 mph), reflecting the presence of inhabited areas along approximately 18% of the route. Riders can expect a mix of open stretches and sections passing through small settlements, with the road’s gentle curves making it accessible for both touring and daily commuting.

The D307 is notable for its proximity to Marija Bistrica, a prominent pilgrimage destination in Croatia. The Marija Bistrica Sanctuary attracts visitors from across the country and beyond, especially during religious festivals. Donja Stubica, at the other end of the route, is known for its historical significance and cultural heritage, including the Donja Stubica town center and nearby castles. The road itself passes through several local streets and squares, offering glimpses of traditional architecture and rural landscapes characteristic of the Hrvatsko Zagorje region. Riders interested in exploring local culture may find opportunities to visit small museums, local eateries, and historical sites along the way.

The D307 is open to motorcycles year-round and does not have any regular seasonal closures. Temporary closures may occur due to roadworks, local events, or adverse weather conditions, but these are typically announced in advance by local authorities. There are no known restrictions specific to motorcycles on this route. Riders are advised to check the Croatian Automobile Club (HAK) website for up-to-date information on traffic conditions, closures, and roadworks before planning their journey.

There are currently no tolls or entrance fees required to use the D307. The road is part of the public state road network and is accessible without charge. However, toll conditions may change in the future, and riders should consult the Croatian Automobile Club (HAK) for the latest information regarding road fees and regulations in Croatia. Fuel stations and basic amenities are available in Donja Stubica and Marija Bistrica, making it convenient for riders to refuel and rest before or after their journey.