Ray Derr @RayDerrTRB
Retired but evolving traffic engineer for all modes who dabbles in geometric design and tries to understand planners. Joined April 2010-
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Ray Derr retweeted
Ray Derr retweeted
Here's a deep analysis on the many ways the latest technologies are impacting the worlds of transportation, travel, land use, and planning - from #NCHRP. trb.org/Main/Blurbs/17… #tech
Enjoyed talking to you @Godreman85 and looking forward to your future accomplishments!
Enjoyed talking to you @Godreman85 and looking forward to your future accomplishments!
Thanks @transportgooru. The summary is available at bit.ly/2y8gEm4
Summary of #NCHRP Connected Vehicle and Automated Vehicle research available at bit.ly/2y8gEm4. Catch me at #TRBAM for more info.
Ray Derr retweeted
Meet Seattle's chief traffic engineer, the man transforming the Emerald City, one curb at a time. st.news/2iNHUF0
Ray Derr retweeted
Two great presenters @riwasaki2 & Richard B. Easley SIS20
Ray Derr retweeted
Department Of Transportation Announces New Highway Concert Series trib.al/eEUWaGu
Congratulations @susanlangdon1 !
Ray Derr retweeted
Folks, I don't ask for retweets very often, but if you have friends or family in Texas, please share this.
Folks, I don't ask for retweets very often, but if you have friends or family in Texas, please share this.
Ray Derr retweeted
Congrats @riwasaki2 for receiving the prestigious 2017 Sandra Gardebring Ogren Distinguished Alumni Award! #ccta @CalPolyAlumni @CalPolyITE
Ray Derr retweeted
We're celebrating 25 years of our #TCRP program with a special video ow.ly/7SAT30dRPBy @FTA_DOT @APTA_info
Ray Derr retweeted
When we cure all disease & stop aging, the leading cause of death will be Car Accidents, unless we develop Self-driving Cars.
Ray Derr retweeted
Haggis set to be Spring’s biggest food trend, according to new research #scotfood trib.al/YyGIzZA
Ray Derr retweeted
@UWMadisonCEE led the development of the flashing yellow arrow which has saved thousands of lives. #OnWisconsin #FYAleftturn
@UWMadisonCEE led the development of the flashing yellow arrow which has saved thousands of lives. #OnWisconsin #FYAleftturn
#wmata is busy this morning for the #WomensMarch at Wiehle-Reston
Ray Derr retweeted
Colonial, Koami Adjonko is the first #communitycollege student awarded for best poster presentation at the @TRBofNA conference! Way to go!
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