Standard Road Plans - SI Series Signs English PDF SI-101 Locations — Type 'A' Signs SI-102 Locations — Type 'B' Signs SI-111 Support Structures — Wood Posts SI-112 Footings For Steel Breakaway Posts SI-113 Support Structures — Steel Breakaway Posts SI-114 Support Structures — Steel Breakaway Posts Rectangular Tube SI-119 Support Structures — Mounting Brackets SI-121 Fabrication — Sign Legend Components SI-123 Fabrication — Type 'B' Signs SI-131 Installation — Type 'A' Signs SI-132 Installation — Type 'B' Signs SI-133 Installation — Type "A" Sign Shim SI-171 Reference Location Sign Posts SI-172 Delineators SI-173 Object Markers SI-175 Chevrons SI-181 Permanent Road Closure - Rural SI-182 Permanent Road Closure - Urban SI-211 Object Marker and Delineator Placement with Guardrail SI-241 Sign Placement Approaching a Railroad Crossing SI-881 Special Signs for Workzones SI-882 Special Signs for Restricted Width Traffic Control Zones