Over deze norm
1.1 This specification covers precast concrete barriers, intended to be used adjacent to a roadway or as a median, to redirect vehicles unintentionally leaving the roadway.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
|Nederlandse titel||Standard Specification for Precast Concrete Barriers|
|Engelse titel||Standard Specification for Precast Concrete Barriers|