The 672 Impoljca–Smednik–Kostanjevica route is situated in southeastern Slovenia, connecting the settlements of Impoljca, Smednik, and Kostanjevica na Krki. The road traverses a region characterized by rolling hills, agricultural landscapes, and proximity to the Krka River. The starting point is near Kostanjevica na Krki, a historic town known for its island setting and cultural heritage, while the route’s endpoint is close to Sevnica, a town with a medieval castle and a vibrant local community. An interactive map showing the road can be found at the end of the article.

The 672 Impoljca–Smednik–Kostanjevica road extends for approximately 14 km (8.7 miles), offering a ride that is gently curved rather than highly twisty. The asphalt surface is of high quality, providing a smooth and reliable grip for motorcycles. The road width varies, with the majority (about 63%) being wide enough for comfortable two-way traffic, while narrower sections are present but limited. Most of the route features two lanes (about 47%), with the remainder alternating between one lane and wider segments. Elevation ranges from 165 m (541 ft) to 345 m (1,132 ft), resulting in moderate elevation changes that add interest without presenting significant challenges. The road passes through inhabited areas for roughly a quarter of its length, including the settlement of Rovišče pri Studencu, offering occasional glimpses of local life.

One of the highlights near the starting point is Kostanjevica na Krki, often referred to as the "Venice of Lower Carniola" due to its unique island location on the Krka River. The town is home to the Kostanjevica Monastery, which houses a renowned art gallery and sculpture park. At the other end of the route, Sevnica Castle stands as a prominent landmark, offering panoramic views and historical exhibits. The road also passes through rural settlements and agricultural areas, providing a glimpse into the traditional lifestyle of the region. Riders may wish to stop and explore these attractions, as well as enjoy local cuisine in nearby towns.

There are no known restrictions or closures specific to motorcycles on the 672 Impoljca–Smednik–Kostanjevica road. The route remains open throughout the year, as it does not traverse high mountain passes or areas prone to severe winter conditions. However, riders should be aware that temporary closures may occur due to roadworks or local events, particularly in the vicinity of settlements. It is advisable to check local traffic updates before planning a ride, especially during periods of adverse weather or public festivities.

The 672 Impoljca–Smednik–Kostanjevica road does not currently require the payment of a toll or entrance fee for motorcycles. Riders should note that toll conditions may change in the future, and it is recommended to consult official resources for the most up-to-date information. For comprehensive details on road tolls and vignettes in Slovenia, visit the DARS (Motorway Company in the Republic of Slovenia) website. Standard traffic regulations apply, with speed limits typically set at 50 km/h (31 mph) in inhabited areas and 90 km/h (56 mph) outside towns, unless otherwise indicated by road signs.