Standard Specifications 2020

Several roadside hardware devices have ben exempted from MASH 2016 requirements. Please see the MASH Device Waiver link below. As more MASH roadside hardware becomes available, this list of exempt devices may change. DelDOT has also developed Sunset Dates for devices tested under previous NCHRP Report 350 criteria. Please see the link below.

• MASH Device Waiver
• NCHRP-350 Sunset Dates Memo

Please submit any questions regarding MASH or the MASH Approved Lists to the MASH Committee.

Standard Specifications 2016

Standard Specifications 2001