Roadway Design Criteria

[@khenirajesh]

Dr. Findley, What a beautiful lecture! I am big fan of you. I am self-learning highway engineering course through your youtube channel. Your lectures are high quality and provide excellent information in shortest possible time. The best thing about your approach is you present real life cases with theory hence learning becomes exciting. I am visual learner and your 3D models or real photographs( Super elevation transition, various Curves) allow me to relate what you teach. I see lot of hard work behind all these content. You truly inspired me to master this course. I wish I would have attended your class at university. Big thank you!

[@FindleyDaniel]

Thank you for the kind words, I'm glad to hear that the videos have been useful!

[@akporesiriomene3396]

Great lecture series on highway engineering

[@microcolonel]

Nice introduction. I am interested in these topics in general, and specifically recently since I've been paying attention to my local planning office. They hired some consultants to look at improving a road into a street in my city, Cheyenne, and I am really skeptical of the design they have right now. The current road has no sidewalks, about 50' of pavement including two 12' traffic lanes and one 11' TWLTL. The speed limit is 35mph and they want to keep it there I think, and they did a speed study where they found that 90% of motorists go over 35mph, and about half of motorists go more than 45...but the intermediate proposal includes a plan to widen the TWLTL to be 12' as well. To me, it seems crazy that the traffic lanes are any wider than 11' on what is allegedly a street, 10' seems more reasonable (maybe leave the TWLTL at 11'). I'm going to show up for the second public meeting, probably things are basically locked in at this point and they just have the second one to manufacture consent. They are looking to paint bicycle gutters on the road, and the travel part is set to be just 4', with a 2' painted buffer separating you from 12' travel lanes probably still speeding by 10-15mph...

[@FindleyDaniel]

Have you taken a look at some of the speed limit recommendation tools, like US Limits 2? Those might be helpful for you to consider. We visited Cheyenne about 13 years ago and loved it there!

[@microcolonel]

@@FindleyDaniel I will look into that, Thanks Daniel! I moved here from Hamilton, ON and I like it a lot better here. :+ )

[@ampalayakid]

thank you for this!!!

[@FindleyDaniel]

You're welcome - if it's helpful, I keep a more organized list of the traffic engineering playlists on this webpage: sites.google.com/ncsu.edu/daniel-findley/educational-resources

[@ampalayakid]

@@FindleyDaniel wow!!! thank you so much!! really helpful :)