The best replacement for crushed rock is gravel.

The best alternatives to crushed rock are rated as following:
★★★★★  gravel
★★★  pea gravel

Your alternative for crushed rock is not listed? Suggest!
Speaking about crushed rock, one probably shouldn't forget about pavers.

Other search terms related to crushed rock and their ratings are:
★★★★★ pavers
You have in mind a companion for crushed rock and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of crushed rock in all years. Click on graph for more.
crushed rock
gravel
pea gravel