Choice of gravel for driveway & carport

Does anyone have any recommendations for particular type of gravel for a driveway and double carport? We cannot do concrete (my preference) due to compliance with council regs - needs to be free draining.

Currently we are using crushed terracotta tile but I've noticed over the years that as it gets more & more crushed it forms smaller and smaller pebbles, until it turns into terracotta mud after rain. I want something that does not roll & make ruts when being driven over regularly.

 

Can you do pavers? The problem with gravel is the dust and lack of ability to sweep clean.

Or you could try crushed limestone/roadbase and that would give you a pretty firm base. They use it under the bitumen in road construction.

 

No.

 

There are also permeable pavers which are expensive but might be of use.

Here's a link for some info:

Permeable Pavers

 

I have used crushed granite and sandstone when I was a landscaper. Usually with white cement incorporated (raked) into the top layer and compacted. Should be installed over coarser blue metal or similar to provided drainage. I believe a geotech fabric between the layers is a good idea as it prevents the fines moving down through the drainage layer and blocking things up. Drainage is important and not suitable for slopes where erosion may occur.

I really like the look in certain situations. And usually cost effective.

 

Road base is good. You'll need to add some more on every few years (no where near as bad as your current set up, won't lose much).

 

You could also consider a permeable pavement.

 

Concrete driveway system with infill and grass or gravel is a common option. No ruts and not noisy.
Turfgrid™ Pavers | Absorbant Pavers | Permeable Pavers | Adbri Masonry (Cycle images)
Adbri Masonry Turfstone 390x290x90mm Paver
Turfstone™ | Adbri Masonry

Excavate and clear site. Compact and lay pavers. Infill and lightly compact. If turf use seed