Wrong side driving - road safety

Recently, I went outstation on road by car due to some emergency. The distance covered one way was about 550 km. 

In this particular route, in one stretch, I had many near misses, as I found vehicles of all types like 4- / 2- wheelers, carts, etc coming straight opposite in the wrong direction. 

Assuming I am safe due to the road divider, I was driving at 80-100 kmph speed. But, as I entered this particular stretch, I narrowly missed opposite coming vehicles many times. Initially, I thought it is a one-time affair. But, there was a constant stream of vehicles of all types. In one particular place, I thought I got one more life. The truck coming opposite straight in the wrong direction to me was about to hit, after taking a turn from the other side at about 50 distance (which I did not expect such a thing can happen). To avoid a collision, I changed from the lane adjacent to the divider to the middle lane. But, this truck driver also moved to the middle lane, and hurriedly he moved to the first lane again, thus narrowly missing me. Further to this wrong direction driving, he started staring at me. 

I felt that this lane discipline is nothing and should be careful during driving in this stretch at all times that vehicles can come in all directions. 

Accidents due to opening of the door of cars/trucks

I watched few videos in internet as well as learnt from experiences of friends about fall of persons on the road while walking / driving two wheelers when they were hit by sudden opening of the door of cars/trucks by its inmates.

I feel, it is better to have slide type doors for the vehicles. This type of slide doors shall be made mandatory atleast on the right side of the vehicle where 'drive left' is followed and on left side where 'drive right' is followed. This is, presuming car/truck inmates try to open the door(s), after the vehicle is parked left / right as per the local rules.