Drilling bore 9 in. in diam and 112 ft long under highway without interrupting traffic to facilitate gas pipe line crossing; drilling is performed by Ka-Mo pneumatic earth auger moving at rate from 8 to 12 in. per min.
Major highway crossed without serious traffic lag
Gas
Gas ; 31 , n 7
1955
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Highway bridge moved without interrupting traffic
Engineering Index Backfile | 1927
Highway Drainage Restored Without Stopping Traffic
British Library Online Contents | 1995
New Jersey starts "dual-dual" highway to end serious traffic congestion
Engineering Index Backfile
|New Jersey starts "dual-dual" highway to end serious traffic congestion
Engineering Index Backfile | 1947
|The automobile should be major factor in highway traffic
Engineering Index Backfile | 1920