Cost of Brick Driveway Installation in Montana$14.00 per square foot (dry-set with gravel and sand foundation) (Range: $10.00 - $17.99) Free Estimates from Local ProsCost of Loose Gravel or Stone Paving in Montana$1.42 per square foot (4 inch thick gravel or crushed stone) (Range: $1.22 - $1.62) Free Estimates from Local Pros |