TY  - BOOK
AU  - Mason,John M.
AU  - Mahoney,Kevin M.
TI  - Design exception practices: a synthesis of highway practice 
T2  - NCHRP synthesis,
SN  - 0309069645
AV  - TE175 .M315 2003
U1  - 625.7250973 22
PY  - 2003///
CY  - Washington, DC
PB  - Transportation Research Board
KW  - Roads
KW  - United States
KW  - States
KW  - Design and construction
N1  - Includes bibliographical references
ER  -