During the second half of the last century, Anthony Downs and John Michael Thomson presented their famous paradox. It states that “The equilibrium speed of car traffic in a network is determined by the average door-to-door speed of equivalent trips”. The authors point out that the paradox is that improvements to a road network will […]
Deconstructing the Downs-Thomson paradox and its effect on road congestion Read More »
How can we describe the situation recorded in this video? Is it the act of an unconscious person? As a case of lack of driver education? Who is responsible? It is a case of ordering of roads gone wrong. We postulate that if the road permits such an act, its design is responsible. We have
Ordering of roads or freedom. Here’s the dilemma. Read More »
If there is something that hurts us, it is our pocket. However, we underestimate even more valuable resources such as time and air quality. I have named road congestion over and over again as the silent disease of our cities. This time, I will focus on the economic consequences generated by this serious matter. I
How much does your city lose in traffic congestion? Read More »
The following article was published in the VÍAS TERRESTRES (Roadways) magazine Number 75, January-February 2022 Edition. The text condenses the article with which Eng. Gerardo Martínez Ponce and a server, Jesús Alderete Zapata, won the participation in the Piarc 2019 World Road Congress in Abu Dhabi in October 2019. Executive brieffing This article proposes a
CONTINUOUS FLOW ROAD ENGINEERING SYSTEM Read More »
The 27th World Road Congress will be held on October 2, 2023 in Prague, Czech Republic. This Congress takes place every four years. In 2019, the project we presented was one of the 50 finalists, chosen from among 600 projects worldwide. It was the launch of the first and only 100% continuous road flow model.
How to design a better ring road in Prague [Case study] Read More »
Are roundabouts a good option for solving an intersection? The Washington State Department of Transportation, compared regular intersections with roundabouts to see if roundabouts were safer. Roundabouts have a one-third reduction in traffic accidents: when it comes to cars hitting pedestrians, cars hitting cars, cars hitting telephone poles it drops over 30%. But the main
Deconstructing roundabouts: 4 hidden flaws you didn’t know Read More »
Road infrastructure development is critical to improving connectivity and promoting sustainable growth by moving raw materials, manufactured goods and people. among the Asia Pacific economies. Huge amounts of expenditure have been calculated in order to reach the grout goals for the years to come. According to the Asian Development Bank, $26 trillion dollars are needed
A game-changing trend in road infrastructure proposal for Asia-Pacific Read More »
According to the National Highway Traffic Safety Administration (NHTSA), 96% of road accidents are caused by human error. The data indicate that; compounding this figure, 40% of the accidents are due to distractions, 31% to aggressive driving, 11 due to lack of skill, 7% due to fatigue at the wheel, 7% due to driving under
Mistake-Proof Road Safety: Implementing the Poka-Yoke Technique in Road Design Read More »
Leaving safety in the hands of road user education is like leaving a box of sweets in a room full of children and asking them not to eat them. Some will respect the indication, but at the end of the day, the sweets will be gone. Today, in a short journey, lasting 2:15 hours, we
The “Road rage” effect on road safety Read More »
2021 is behind us. We are now beginning a difficult new year, full of challenges and ambitious goals to meet, in terms of road infrastructure. due to the imminent need for economy reactivation, the beginning of new administrations or the need of some other administrations to showing results due to reaching the middle of their
10 new year resolutions for mobility, connectivity and road safety in 2022 Read More »