It's pretty simple. Sacrifice a lane to become a street or parallelweg as we call them here. Put a solid barrier in between the street and road portions. Have a

It's pretty simple. Sacrifice a lane to become a street or parallelweg as we call them here. Put a solid barrier in between the street and road portions. Have access points to the road only indirectly on sidestreets. This is how we 'stroad' in the Netherlands. Of course if you design in this manner from the ground up the result is prettier but it should be perfectly adequate.