Around 270 people die in traffic accidents per year in the city, usually without much notice.
The mayor claims that the street in front of the Roma neighbourhood saw 20 victims of road-traffic accidents per year, and that the wall has put a stop to them.
One study conducted by Texas A&M University's Transportation Institute sampled data across the US, which shows drivers stuck in traffic 38 hours per year.
A survey conducted during the same period in June 2012 indicated a figure of 31,865 vehicles, though it is reported by the concerned traffic and transportation engineer that the rate of increase in traffic has been one percent per year on the basis of traffic surveys carried out from the time of commissioning of the bridge.
Emma Nygren et al. [4] predicted that traffic will grow 5%% per year to 2026 and fuel demand 3%% per year.
In 1914 National Geographic estimated the South Rim's tourist mule traffic at 7,000 riders per year.
Attempts to measure the scale of this trade are mostly educated guesswork, but reports estimate that between 25,000 and 130,000 oil barrels worth of gas or crude can cross the border into Colombia every day with the cumulative traffic valued at between $1.5 and $3 billion per year.
Switzerland provides one of the major trans-alpine routes for freight traffic, with one million trucks per year or 20,000-45,000 vehicles/day with 10% diesel truck traffic [ 26].
The canal opened in September 1816, but the estimated 100,000 tons of traffic passing between London and the dockyards at Portsmouth, and the 30,000 tons of local traffic, were far too optimistic, with actual traffic averaging around 15,000 tons per year throughout its life.
