FastRCS - a free online tool to create and view Road Cross Sections in 3D quickly Road Cross Section, Street Design, Complete Streets |
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FastTSIM - a free web-based Traffic Simulation game (tool) Traffic Simulation, Web App |
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Vehicles Detection/Tracking from drone footage AI, Deep Learning, Machine Learning, CV, YOLO |
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Trucker convoy traffic impacts - 3 weeks in DC (2022/3/6 - 2022/3/26) Traffic Impact, Google Traffic |
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Counting cars from public traffic surveillance cameras Machine Learning, Computer Vision application |
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Orbit changes from nudging Inverse Square Law of Gravity just a little bit Animation |
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Quick Regression analysis of Wiedemann 99 model - article Wiedemann 99 model Capacity app |
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Maryland Top 20 Busiest Roads (2009 - 2018) A racing bar chart, data from SHA Traffic Monitoring Program |
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North America Top 20 Metropolitan areas Daily Traffic (Sunday - Saturday) by Google Map Google Traffic |
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2009 MUTCD Mobile app as a pocket reference Available in iOS and Android, browse and easily search |
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VISSIM Vehicle Trajectory Visualized for fun VISSIM Vehicle Trajectory/Trails Visualized using Processing |
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VAPPad - a VAP file editor with modern IDE features & Introduction to VAP Live errors, auto completion, auto formatting, function quick info and parameter info, code folding, delimiter matching, word highlighting etc. |
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Free Web app Comparing Wiedemann 74 and 99 car following model & Replicating Dissipation of stop-and-go waves via control
of autonomous vehicles Toy with W74 & W99 parameters and autonomous vehicle control to improve traffic flow |
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Free Web based VISSIM Viewer Free lightweight web based viewer to browse your local VISSIM inpx files |
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Free Web app Simulating Stochastic Vehicle Arrivals - VISSIM Stochastic vs Exact Inputs Simulate stochastic vehicle arrivals from negative exponential distributions using Mersenne Twister 19937 algorithm and compare VISSIM Stochastic vs Exact Inputs |
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Free Web based OD Estimation/Balancing tool OD Matrix estimation/correction through Bi-level Optimization Algorithm - bush(origin)-based user equilibrium assignment and sensitivity analysis; Maximum Entropy Matrix Estimation (ME2) by proportional assignment, for no congestion in the network or no parallel path exists |
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Free Web based Intersection HCM 2010 LOS (work in progress) Intersection LOS reporting following HCM 2010 procedure (compute engine V 07-12) |
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Free Web based GIS using leafletjs - Draw - Switch Layers - Geolocation (work in progress) Draw Line/Polygon over Google Maps - Switch Layers - Geolocation |
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Free Web app Comparing Static Traffic Equilibrium Assignment Algorithm - Frank–Wolfe vs. Algorithm B Comparing Static Traffic Equilibrium Assignment by Frank–Wolfe method against Robert B. Dial's Algorithm B, Frank-Wolfe is easier to code, consumes least memory, but converges slowly |
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Free Web app Using Doubly Constrained Growth Factor a.k.a. Furness or Fratar method Furness/Fratar method to adjust OD matrix by Row/Column targets - example is from Modelling Transport, 4th Edition by Juan de Dios Ortúzar, Luis G. Willumsen; Section 5.2.3 Table 5.6 and Table 5.7 on page 181 |
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TransCAD Caliper Script Editor - CasPad
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HTML 5 canvas animation - based on The Nature of Code, rewritten in paper.js |
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Free (PC) traffic counter - JLCounter, iOS/Android version pending
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VISSIM VHelperVHelper is a VISSIM utility program created by me on my own spare time that can be used to increase productivity, for QA/QC and Visualization. It is well acclaimed and receives excellent reviews from our industry VISSIM experts from well-known firms such as CH2M Hill, HNTB and Kimley-Horn.
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MUTCD/SHS Mobile app MUTCD/SHS Mobile app (both iOS and Android versions available) |
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Traffic Jam Hero - A Mobile Traffic simulation game
Planned |