either TL-2 Require large (<70km/h) or amount of space. (100km/h) design speeds Thrie-beam Bullnose A wide arc type Suitable for high Require a large terminal made from environments amount of space Thrie-beam barrier 3.11.3.4 Other barriers 3.11.3.4.A—Other barriers types and applications Barrier Type Application Benefits Design considerations Frangible Timber Typically in LATM Decorative Will not restrain Bollards and WSUD schemes, errant vehicle; Can provide good delineation of delineation Can become landscaped areas hazard itself if struck. Removable and Fixed As for Timber Removable Will not restrain Steel Post Bollards Bollards, Removable bollard useful a errant vehicle Bollard used for access point in access place of gate; restriction. Can be decorative Concrete Bollards Typically in LATM Decorative; Will not restrain and WSUD schemes, errant vehicle; Can provide good delineation of delineation. Can become landscaped areas hazard itself if struck. Log Barrier Fence Park boundary Decorative; Will not restrain delineation errant vehicle; Provides good delineation Easily damaged Guide Posts Road edge or hazard Low cost solution; Will not restrain delineation errant vehicle; Easily replaced; Requires regular Low impact on maintenance. visual amenity.
either TL-2 (<70km/h) or (100km/h) design speeds Require large amount of space. Thrie-beam Bullnose A wide arc type terminal made from Thrie-beam barrier Suitable for high environments Require a large amount of space 3.11.3.4 Other barriers 3.11.3.4.A—Other barriers types and applications Barrier Type Application Benefits Design considerations Frangible Timber Bollards Typically in LATM and WSUD schemes, delineation of landscaped areas Decorative Can provide good delineation Will not restrain errant vehicle; Can become hazard itself if struck. Removable and Fixed Steel Post Bollards As for Timber Bollards, Removable Bollard used for access restriction. Removable bollard useful a access point in place of gate; Can be decorative Will not restrain errant vehicle Concrete Bollards Typically in LATM and WSUD schemes, delineation of landscaped areas Decorative; Can provide good delineation. Will not restrain errant vehicle; Can become hazard itself if struck. Log Barrier Fence Park boundary delineation Decorative; Provides good delineation Will not restrain errant vehicle; Easily damaged Guide Posts Road edge or hazard delineation Low cost solution; Easily replaced; Low impact on visual amenity. Will not restrain errant vehicle; Requires regular maintenance.
Ch3RoadCorridorDesign.docx