Historical clue formulations

• Rocky road topping? — 2022-11-27
• Alternative to pavement — 2018-12-23
• Driveway material — 2015-12-09
• ___-voiced — 2012-09-22
• Rough road surface — 2012-08-27
• Surface for an unpaved road — 2012-02-27
• Driveway surface — 2003-12-30
• Rough voice, metaphorically — 1998-06-05
• Rock group? — 1998-05-10
• Small rock combo? — 1996-06-02