The road (red line) connects the Son Tra Peninsula and the ancient town of Hoi An in neighboring Quang Nam Province.
On a sidewalk near the Le Duc Tho intersection, where an impromptu market comes up in the early mornings, many objects are left behind by vendors and customers.
The sidewalks are dug up for power cables to be fixed but debris is often not cleared, posing a danger to pedestrians.
A public beach has become a storage area for nearby coffee shops.
It is not the peak tourism season in Da Nang, meaning fewer tourists are coming to public beaches.
Fishing tools are gathered in one spot and left there for days.
Nguyen Duc Vu, head of the Son Tra and Da Nang beaches management, said fishermen are used to leaving stuff on the sand and sidewalks, which makes for an unseemly sight.
The board would send personnel to remind them, he said.
The sidewalk on Hoang Sa is used to repair boats, and pedestrians have to cross to the other side of the road.
Hoang Son Tra, chairman of the Son Tra District People's Committee, said people throwing debris without permission are normally fined, but not all cases are detected in time since the area that requires monitoring is too large.
Cars are parked both on the road and sidewalks in front of a hotel in Ngu Hanh Son District.
Locals say the city's appearance needs to be maintained especially since many foreign tourists visit it.
A construction project over thousands of square meters has been abandoned for years and become a dumping site.