Road safety engineering

Policy and procedures guides

Policies, procedures and documents relating to safety engineering on the roads network.

• Road safety engineering procedures RSPPG E027
• Dimension, location and spacing of road humps RSPPG E045
• Setting local speed limits in Northern Ireland RSPPG E051
• Road safety at schools RSPPG E070

Director of engineering memorandums

Memorandums relating to safety engineering on the roads network.

• Application of GG119 Road Safety Audit in Northern Ireland - DEM 098/19
• Cycling Design Guidance - DEM 181/22
• Motorcycling Design Guidance DEM 092/23
• Pilot mandatory 20mph apeed limits without traffic calming measures DEM 120 09
• The use of maximum speed limit road markings DEM 052 03
• Walking Infrastructure Design Guidance DEM 183 20
• School Keep Clear DEM 188 21
• Speed Indicator Devices (SIDs) DEM 191/23