|Length||17.0 km (10.6 mi)|
|From||D21 junction at Ponte Porton|
|A9 in Nova Vas interchange|
|State roads in Croatia|
Traffic is regularly counted and reported by Hrvatske ceste, operator of the road. Substantial variations between annual (AADT) and summer (ASDT) traffic volumes are attributed to the fact that the road connects A9 motorway carrying substantial tourist traffic to Novigrad, a major summer resort.
|D301 traffic volume|
|D301||2720 Bužanija south||5,316||9,140||The only published traffic counting site on D301.|
Road junctions and populated areas
|D301 junctions/populated areas|
| D21 to Krasica and Buje.|
Eastern terminus of the road.
L50042 to Brtonigla
L50043 to Mirna Valley
|Nova Vas interchange:|
A9 motorway to Pula (to the south) and to Umag (to the north).
|Ž5070 to Brtonigla|
Ž5002 to Antenal and Tar-Vabriga to the south and Dajla and Umag to the north
Western terminus of the road.
|Wikimedia Commons has media related to 301 (Croatia).|
- "Decision on categorization of public roads as state roads, county roads and local roads". Narodne novine (in Croatian). February 17, 2010.
- "Interchanges of the Y". BINA-Istra. May 15, 2010.
- "Public Roads Act". Narodne novine (in Croatian). December 14, 2004.
- "Traffic counting on the roadways of Croatia in 2009 - digest" (PDF). Hrvatske ceste. May 1, 2010. Archived from the original (PDF) on July 21, 2011.