There are many sources of information about Roadway Design on the Internet. You might
want to further your education by taking advantage of these resources.
National Transportation Library:
Design
http://www.bts.gov/ntl/subjects/design.html
Texas DOT Highway Design Division
http://www.dot.state.tx.us/insdtdot/orgchart/des/des.htm
CalTrans Highway Design Manual
http://www.dot.ca.gov/hq/oppd/hdm/hdmtoc.htm
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