I interrupt my writing on the U-turn Scheme to write about other schemes first and particularly about vehicle restraint measures that have been implemented in Metro Manila (and probably elsewhere in the country).
I was researching on papers that we could attach to our letter to the mayor of Quezon City prior to his attending a Metro Manila Council (MMC) meeting where the mayors of the 15 local government units comprising Metropolitan Manila would be discussing the proposed implementation of an Odd-Even Scheme along EDSA. The proposal would be presented by the Chair of the Metro Manila Development Authority (MMDA) for decision of the MMC. Earlier, the MMDA Chair gave interviews to the media and mentioned a study made by the NCTS pertaining to congestion along what is regarded as the busiest thoroughfare in Metro Manila and perhaps the entire country. The MMDA Chair did not say the title of the study nor were there specifics on the authors of the study. And so it piqued my interest enough to search for the paper that the MMDA Chair used in his statement. The search led to two papers I co-authored with two very good friends. The material I was able to dig up had enough for several blogs but rather than re-invent the wheel, I will just reproduce what has already been written, reviewed, published and presented back in 2006 and 2007. Since the following text will a verbatim reproduction of parts of the paper, I have italicized the material and cite the paper from where it came from.
“Traffic management refers to a wide range of measures and programs designed to improve traffic flow and enhance traffic environment without substantial capital investment that may include ROW acquisition. Traffic management is necessary due to the significant imbalance between demand and supply in traffic that results in chronic congestion and its derivatives – environmental degradation and decline in traffic safety.
Measures formulated to address Metro Manila’s traffic problems are based on established, conventional travel demand management (TDM) and transport systems management (TSM) schemes. However, the schemes have been adapted to local conditions and are still being modified to better address the requirements of Metro Manila travelers. The MMUTIS Technical Report No. 8 (1999) presents a comprehensive review of traffic management schemes implemented in Metro Manila from the 1970’s to the present. Among the schemes formulated and applied in various forms and extent are the following:
• Traffic signal control system (TEAM, SCATS)
• Flow management schemes (one-way systems, reversible lanes),
• Toll discounts (for the North and South Luzon Expressways),
• Bus management schemes (bus segregation, provincial bus restrictions, designated bus lanes), and
• Pedestrian-focused programs (overpasses, underpasses, discipline zones)
The UVVRP and the Truck Ban are TDM measures that have evolved since their introduction in 1995 and 1980, respectively. The U-turn Scheme is a TSM solution introduced in 2003 that was intended to promote uninterrupted flow in Metro Manila by reducing delay incurred at intersections (i.e., through intersection closure).”
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.