curbstone (n.)

• asphalt
• bitumen
• blacktop
• brick
• cement
• cobble
• cobblestone
• concrete
• curb
• curbing
• flag
• flagging
• flagstone
• gravel
• kerb
• kerbstone
• macadam
• pavement
• paving
• stone
• tarmacadam
• tile
• washboard