Asphalt Pavement DesignPavement DesignPavement Design GuideSpecification 341M341M Reference GuideReceive All The Latest News And Information From TXAPAName(Required)Email(Required) PhoneThis field is for validation purposes and should be left unchanged.Δ Pavement Design GuideDownload 20+ pages of industry best practices and helpful resources in the 2024 TXAPA Asphalt Pavement Design and Construction Guide. Download the Guide New Specification 341MDownload Specification 341M Municipal Dense-Graded Hot-Mix Asphalt and the accompanying TXAPA reference manual. Download the Specification 341M Download Reference Guide