1. DESIGNING ROUNDABOUTS FOR TRUCKS JUNE 19, 2014 Ryan Hoyt, P.E.,PTOE

2. LOUISIANA TRUCK LAWS

3. Legal Truck Size – Width – 8’6” – Length – Max. Single unit = 45’, Max. combination (truck + trailer(s)) on NON-Designated Truck Routes = 65’ overall, Max. semi trailer on Designated Truck Route = 59’6” (trailer only) – Height – Max. interstate = 14’, Max. non-interstate = 13’6” Interstate – Vehicles and loads over 16 feet wide may not travel on Interstate highways.

4. Where to Accommodate Large Trucks Current designated roadways o Truck permit section – Truck Destination Map (\\h85001ms001\85Common\85SharedMaps\1_PDFMaps \Truck Routes Map)\\h85001ms001\85Common\85SharedMaps\1_PDFMaps \Truck

5. LOUISIANA TRUCK ROUTES OF 2012

6. LA TRUCK ROUTES 2012 CONT’

7. TRUCK ORGINATION 2013 720 Trucks 65% pass-through

8. TRUCK DESTINATION 2013 720 Trucks 65% pass-through

9. LA TRUCK ORIGINATION

10. LA TRUCK DESTINATION

11. Where to Accommodate Large Trucks Truck Generating Facilities (Check with access permit section and Local Government for any upcoming facilities.) o Constructions sites o Large equipment sites o Industrial Plants (new plants and plant expansions) o Gas and oil sites o Trucking facilities

12. Trucking Facilities

13. Local Pilot Car Drivers

14. Verifying Movements in Autoturn

15. Editing Trucks in AutoTurn

16. Two River Crossings that Accommodated Oversize Trucks Near Baton Rouge

17. Existing intersection that Accommodated Oversize Trucks

18. New roundabout Intersection

19. Possible Escorted Route

20. Importance of Accommodating Large Trucks Always design to improve, never take away

21. Example of oversize Lowboys

22. Curbing that effects Lowboys

23. Ex. Lowboy Dimensions

24. Ways to Design For Truck Lower curb height and make the curbs mountable (splitter islands and inside/outside truck aprons) Make the inside truck apron larger.

25. ?? Questions ??