أحمد منصور

Finding solutions for some hotspots and overloaded intersections in Riyadh city. In this task I have worked on designs of:
1. The first Diverging Diamond Interchange (DDI) in Saudi Arabia at Prince Turkey Road & Makka road intersection to improve its performance and LOS.
2. A J-Turn Intersection for the intersection of Prince Moqren road and Othman Bin Affan Road.
3. A Three Phase Signal intersection for Exit 33, and design a new roundabout to connect Asir and Dholom Road with the service road of Western Ring road. As well as, making a simulation for proposal using PTV VISSIM.
4. Improvement of Dhabab & Makka intersection. And making a simulation.
5. Improvement of Zahrawi and Prince Turkey intersection (Sea Gull intersection).
6. A Three Phase Signal for Exit 2, and Improve surrounded area.

7. Development a new Parking Area for King Khalid Mosque in Um Al-Hamam, and some improvement on Um Al-Hamam Road.
8. Double CFI Proposals for King Abdulaziz & Thumama Intersection, and For Ibn Taimia & Imam Muslim Intersection.
9. Built a network for Olaya One-Way system study by PTV Visum, Demand modeling for base case scenario and proposed options in current and future conditions.
10. Worked on traffic impact study (TIS) for :
a. Alshaikh Tower, Khobar KSA
b. Labor Camp, Riyadh KSA
c. Makka Housing project with MOH, Makka KSA
11. Final Design of Diverging Diamond Interchange (DDI) for Khalid Bin Al-Waleed and Dammam Roads intersection
12. Final Design of Seagull intersection for Imam Saud and Sahaba intersection & Imam Saud and Bahr Al Arab intersection.
13. Final Design for Irqa Roundabouts and intersections.
14. Final Design for improving Imam Saud and Othman intersection
15. Final design for Sultanah with Shaikh Abdallah J-Turn intersection.
16. Put a concept design to improve Abu Ayoub Al-Ansari with Al-Farazdaq Road.

And other conventional and unconventional designs for many intersections and hotspots.

Civil Engineer:

- Traffic (Demand Modeling, Trip Generation (Visum or manually), Assignment, Synchro/Vissim analysis & preparing a Traffic Report.
- Hydrology Studies
- Geometric Design
- Grading and profile
- Proposing signage and preparing pavement marking and signage plan.