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Ningas Cogon
After focusing on one negative trait, I didn’t expect to be writing immediately about another. Again, I do this in the context of transport and traffic, and to drive home the point that we really need to go back to the basics in as far as solving transport and traffic problems in this country is concerned. Ningas cogon refers to how a type of grass burns when set on fire. There is initially an intense burning of the grass but after a short time it dies out. This behavior of the burning is often alluded to when describing efforts that are not sustained and especially those that showed enthusiasm (and therefore promise) only at the start. It is also associated with an initial show of interest that eventually and shortly wanes for one reason or another.
Only two weeks back I was writing about Commonwealth Avenue and how it was called a killer highway. At the time, I was hopeful that the renewed effort to impose discipline among motorists and especially public utility vehicle drivers and pedestrians would result in a significant improvement of safety along the highway. The initial results seemed to be encouraging, with a dramatic decrease in the number of road crashes and deaths in the first few days. I even had several opportunities to observe the efforts of enforcers, the combination of MMDA, PNP and QC personnel, to keep PUVs along their designated lanes and remind motorists and pedestrians to follow rules and regulations. I was pleasantly surprised, for example, to see vehicles “slow down” to 60 kph instead of the expressway speeds they usually attain along Commonwealth. At the Philcoa area near Commonwealth’s junction with the Elliptical Road, PUVs were being guided through the loading and unloading area and violators were quickly apprehended by MMDA and PNP personnel closely watching the traffic.
Meanwhile, I read a few newspaper columns giving mixed reviews about the program. One column in particular from a major daily mentioned that the effort lasted only a few days and that traffic reverted back to pre-discipline zone times. My reaction was one of disappointment, not for the government but for the columnist whom I thought came up with a premature conclusion, given that changing motorist and pedestrian behavior and attitudes along a major thoroughfare would take time. I did mention though in my previous post that enforcement should be firm and sustained in order for it to be successful and enduring. Also, I was already wary of the tendency for such programs to go the way of others before it – ningas cogon.
Last Sunday, I drove along Commonwealth on my way to visit my in-laws in Novaliches. I decided to do an experiment using a simple method that I learned when I was a student at University and which I also teach my students in undergrad civil engineering. In what is called a floating car technique, I attempted to travel according to the speed limit of 60 kph. I also tried my best to keep my lane, only changing when it was necessary. I also tried to count how many vehicles would pass me, indicating how many traveling my way were faster than me and therefore over-speeding.
The first thing I noticed when I entered Commonwealth from University Avenue was that buses and cars were again zipping by me and so I didn’t bother anymore to count those passing me. I did maintain my speed so I could have a reference as to how fast the other vehicles were relative to mine. Approaching the Fairview Market area, I also observed that people were crossing almost anywhere and that some barriers have been moved to allow jaywalkers to cross the median. Meanwhile, the pedestrian overpasses were all crowded and I could see the entire length also occupied by vendors. Not an enforcer was around to bring order in what was a chaotic marketplace scene – along a major highway.
I repeated the experiment in the afternoon when I drove from my in-laws home to my parents’ home. Taking the opposite direction, Commonwealth was even more congested when I approached the Fairview Market area. Buses, jeepneys and tricycles practically took up 3 lanes, stalls, hawkers and pedestrians took up 2 lanes and there was only 1 left for all other vehicles to pass through. No one among those who clogged the highway seemed to care and I again saw no enforcers to mahage traffic. If there were, I’m sure they were somewhere else and definitely not doing their jobs.
It is both disappointing and frustrating that the traffic discipline program along Commonwealth went the way of ningas cogon. In fact, the MMDA seemed to have celebrated what they thought was success prematurely, even stating that they were to apply similar strategies to other major roads in the Metro. By the looks of the outcomes along Commonwealth, such efforts along other roads will eventually go the way of ningas cogon. Such results send the wrong message to motorists and pedestrians and reinforce the perception that the authorities don’t really mean business and that such programs are just for show. So far, it seems that this perception will continue to pervade along Metro roads unless the MMDA, the PNP and the respective local government units get their acts together. Again, it shows that going back to the basics remain the main challenge and overcoming the ningas cogon tendency the main obstacle for our authorities.
Discipline along a killer highway
Commonwealth Avenue in Quezon City was given a tag as a killer highway due to the frequent occurrence of road crashes along the road, many of them resulting in fatalities. Only last December, a retired judge was about to cross the highway on his vehicle, his wife (a retired teacher from a prestigious science high school) with him as they were heading to church. It was very early in the morning since they were going to the Simbang Gabi or night mass – a tradition in the Philippines during the Advent Season leading up to Christmas Day. Despite probably signalling and their being cautious enough, their vehicle was hit by a speeding bus. The driver of the bus was to claim later that he used his lights and horns to warn the judge against crossing. There was no mention if the bus driver attempted to slow down, the safest thing to do when driving at night and knowing that there are many crossings along the road he is traversing. In fact, this should be the first thing on the mind of anyone aware and conscious about safe driving.
There are many incidents like the one above and not just along Commonwealth or other Metro Manila road. Road crashes occur along many of our national and local roads everyday and the casualties just pile up, and many are often just treated as statistics especially when nothing is done to address the issue. Such road crashes occur due to many factors that are usually categorized into human, vehicle or environment-related. Most often, as findings in the Philippines indicate, it is the human factor that results in a road crash.
Driver error, poor maintenance of vehicles, and ill-designed roads can all be traced to human shortcomings. Environmental factors are also ultimately rooted on the human element. Speeding is one thing and aggressive driving is probably another but altogether general driver behavior along Philippine roads are clearly a manifestation of a lack of discipline and not necessarily the lack of skill, although the latter is also a significant factor if one is to focus on public transport and trucks.
There are few exceptions and it seems “few” is a relative term often leading to the example of Subic. At Subic, we always wonder how and why drivers seem to be disciplined. Some say it is because of the fines or penalties for traffic violations. Others say it is psychological and a legacy of the base being previously under the US military. I would say it is more of the traffic rules and regulations being enforced firmly and fairly in the free port area. I would add that motorists and pedestrians have embedded this in their consciousness such that there is something like an invisible switch turning on when they drive in Subic and turning off once they are out of the free port.
For a corridor like Commonwealth, perhaps the best example to emulate would be the North Luzon Expressway (NLEX). Along that highway, its operators the Tollways Management Corporation (TMC) have established a strict regimen of enforcement and have applied state of the art tools for both monitoring and apprehension. These tools include high speed cameras equipped with speed radars that detect speeds and capture on photo cases of overspeeding. Photos are used as evidence upon the apprehension of the guilty party at the exit of the expressway.
The current campaign along Commonwealth is premised on the strict enforcement of a 60 kph speed limit along the arterial and the designation of PUV lanes (e.g., yellow lanes) along the length of the corridor. The initiative would be manpower intensive and features novel tools such as the use of placards, loudspeakers and public relations in order to encourage motorists and pedestrians to follow traffic rules and regulations. The results as of today look promising and there has been a significant reduction in speeds and general compliance for PUVs serving the corridor. The numbers might be misleading if we attempt to conclude about the success of the program now. Perhaps the more reliable statistics would come out after the campaign has been implemented and the effort sustained over a month’s time. Nevertheless, it gives us a nice feeling to see less speeding and less weaving among vehicles that were once observed as though they were driven along a race track. It would be nice to once and for all kill the “killer highway” tag and make Commonwealth an example of how traffic management should be implemented. We are always searching for examples of good if not best practices that can be replicated elsewhere. If we succeed in the “Battle of Commonwealth” then perhaps we could eventually win the “War Against Irresponsible Driving and Jaywalking.”
Truck Ban
Another form of vehicle restraint focuses on freight and logistics vehicles, particularly trucks. These are commonly referred to as large vehicles having at least 6 tires (double-tired rear axle). The prevailing perception is that many if not most of these vehicles are overloaded and impede the flow of traffic due to their slow speeds as well as damage pavements not designed for heavy vehicles.
“The truck ban is a scheme first applied in the late 1970’s to address the perception that freight vehicles are the main culprits in congesting Metro Manila roads. Trucks were prohibited from traveling along major arterials including the primary circumferential and radial road network for most of the day. Exemptions from the daytime ban were applied to roads in the vicinity of the port area where truck traffic was practically inevitable.”
The coverage area of the truck ban included all of Metro Manila’s major circumferential and radial roads – C1 to C5 refer to Metro Manila’s circumferential roads while R1 to R10 refer to the radial roads. These comprise the main arterials of the Metro Manila road network. For reference, C3 refers to Araneta Avenue and related roads, C4 is EDSA, Letre and Samson Roads, and C5 refers to Katipunan, E. Rodriguez and C.P. Garcia Avenues. R1 refers to Roxas Boulevard, R5 is Shaw Boulevard, R6 is Aurora Boulevard, and R7 is España and Quezon Avenues.
“There are the different versions of the truck ban being implemented in Metro Manila. Truck Ban 1 is enforced along EDSA, Metro Manila’s busiest arterial and often its most congested road. Designated as Circumferential Road 4 (C4) it has a 10- to 12-lane carriageway with a mass rapid transit line running along its median. Truck Ban 2 practically covers all other roads except sections of arterial roads that have been designated as truck routes.”
Truck Ban 1 is enforced from 6:00 AM to 9:00 PM everyday except Sundays and Holidays. Meanwhile, Truck Ban 2 is implemented from 6:00 AM to 9:00 AM and 5:00 PM to 9:00 PM everyday except Sundays and Holidays. The second version attempts to minimize trucks during the morning and afternoon/evening peak periods.
“The chronology of the truck ban scheme started in 1978. In recognition of the critical situation of traffic congestion in Metro Manila, the then Metropolitan Manila Authority (MMA) issued Ordinance No. 78-04, which prohibited cargo trucks, with gross vehicular weight (GVW) of more than 4,000 kilogram, from plying along eleven major thoroughfares in Metro Manila during peak traffic hours – from 6:00 A.M. to 9:00 A.M. and from 4:00 P.M. to 8:00 P.M., daily except on Saturdays, Sundays and holidays.
In 1990, the Department of Transportation and Communication (DOTC) issued Memorandum Circulars No. 90-367 and 90-375, changing truck ban hours to: between 7:00 A.M. and 10:00 A.M. on weekdays; 4:00 P.M. to 8:00 P.M. for Monday to Thursday; and from 4:00 P.M. to 9:00 P.M. on Fridays. In response to the appeal of the members and officers of the various truckers’ associations for an alternate route and a 2-hour reduction of truck ban, the MMA issued Ordinance No. 19, Series of 1991, amending MMC Ordinance No. 78-04. This issuance provided alternate routes to the truck ban routes and effected a 2-hour reduction of the truck ban period, thereby prohibiting trucks on the road from 7:00 A.M. to 9:00 A.M. and from 5:00 P.M. to 8:00 P.M.
In 1994 the MMA issued Ordinance No. 5, Series of 1994, further amending Ordinance No. 78-04 as amended by Ordinance No. 19 Series 1991. The Ordinance restricts trucks from traveling or passing along 10 major routes from 6:00 A.M. to 9:00 A.M. and from 5:00 P.M. to 9:00 P.M. daily, except on Saturdays, Sundays and holidays. The Ordinance also provided for an “all-day” truck ban along Metro Manila’s major arterial road, the Epifanio Delos Santos Avenue (EDSA), from 6:00 A.M. to 9:00 P.M. daily, except Saturdays, Sundays and holidays.
In 1996, the MMDA, in its desire to further reduce traffic congestion even on Saturdays, issued Regulation No. 96-008 amending MMA Ordinance No. 94-05, imposing truck ban from Monday to Saturday, except Sunday and holidays. An MMDA Regulation No. 99-002, amended Ordinance No. 5, Series of 1994, wherein the “gross capacity weight” was amended from 4,000 to 4,500 kilograms.”
In the last few years, the MMDA has implemented adjustments to the truck ban scheme in coordination with Metro Manila local government units. Certain truck routes were identified to address the issues raised by the private sector, particularly industries and commercial establishments, regarding the transport and delivery of goods. Other cities in the Philippines have adopted the truck ban in one form or another, often directing trucks to use alternate roads in order to decongest the roads in the central business districts as well as to prevent their early deterioration as a result of truck overloading practices.
[Source of italicized text: Regidor, J.R.F. and Tiglao, N.C.C. (2007) “Alternative Solutions to Traffic Problems: Metro Manila in Retrospect,” Proceedings of the 11th World Conference on Transport Research (WCTR 2007), 24-28 June 2007, University of California Transportation Center, University of California, Berkeley, CA, USA, DVD.]
Full circle with the U-turns: Traffic Signals in Metro Manila
Since last week, it seemed as if a ghost of Christmas past has come to haunt me and my colleagues at the NCTS. We had some unexpected visitors from the Traffic Engineering and Management (TEAM) group of the Department of Public Works and Highways (DPWH). They were at the Center to consult about a project being formulated by the group together with the MMDA for new traffic signals for Metro Manila. DPWH-TEAM has a long history with NCTS starting when that unit was created when the Philippines invested on its first coordinated traffic signals in the 1970s.
At that time, the NCTS was still the Transport Training Center (TTC), and was the site of the first traffic control center for signals that were installed along Quezon Avenue. The package was funded by a loan from the Japanese government and hence involved traffic signals manufactured by Mitsubishi. Years and many TEAM project phases later, most of Metro Manila’s major intersections would be signalized and traffic signal control would be under the Traffic Engineering Center, which until 2003, was under the DPWH. In the 1990’s, the TEC and TEAM worked together to acquire the Sydney Coordinated Adaptive Traffic System (SCATS), which at the time was already installed and running in most major intersections in Cebu City.
SCATS was supposed to usher in a new era in traffic control in Metro Manila until some major problems eventually plagued its operation. One of these problems was power. However, this was something everybody else was concerned with because of the power crisis of the early 1990s. It was also something that seemed to be easily solvable with the acquisition and installation of uninterrupted power systems (UPS) and generators that allowed the facility to operate even during blackouts.
Another technical problem cropped up just about the same time when the TEC and TEAM people were trying to solve the power issue. This time, it was something much more complicated and perhaps, what led to the system losing its credibility in Metro Manila and a chain reaction of sorts in as far as reactions go. The communications problem was a critical one and rendered the system practically unreliable for what it was supposed to solve – congestion. SCATS required a reliable network for its controllers and computers to communicate with each other. This communication allowed its software to assess network-wide traffic demand measured by means of detectors embedded in the pavement at each approach lane of an intersection. Data from these detectors are transmitted to computers in the control center, which then compute for the optimum cycle times for each signalized intersection. The computers determine which intersections need to be coordinated and how (i.e., alternating or simultaneous), and this process allows SCATS to adapt to variations in traffic. Hence, its name which seemed only appropriate given its performance in what is now the expanded network in metropolitan Cebu.
The failure of SCATS in Metro Manila was further hastened by traffic enforcers who were only too eager to intervene. This intervention was more of interference as enforcers started switching the traffic signal controllers to manual mode at the slightest indication that the signals would appear to be non-responsive to changes in the traffic situation. In truth, it takes a few minutes for the detectors to collect data and send it to the computers that will compute for the appropriate cycles and signal settings as well as determine which intersections to “marry” and “divorce” – to borrow terms used by traffic engineers in Cebu City for the process of coordinating intersections throughout the day. Due to this rampant practice by enforcers in Metro Manila, it was only a matter of time before SCATS was declared a failure and claims were made that Metro Manila traffic is so much more complicated than Cebu’s, where SCATS was a success (it still is today).
Caught (up) in traffic 