This Handbook comprises an illustrated plain English field guide intended for both the training of, and use in the field by, junior supervisory personnel involved in short-term roadworks on freeways, expressways, motorways, tollways and like facilities.
HB 81.7-2000 history
2003HB 8197-2002 Flared type symmetric union tee with swivel nut (8197)
1970HB 81.7-2000 Field guide for traffic control at works on roads - Short-term works on freeways