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The Subic Clark Tarlac Expressway is of two sections, the Subic to Clark Section (50.5 kms) and the Clark to Tarlac (41.24 kms)section.
Is Subic-Clark Expressway the distinct or part of the Subic-Clark-Tarlac Expressway? -- seav 16:13, 29 August 2006 (UTC)
The following Wikimedia Commons file used on this page or its Wikidata item has been nominated for speedy deletion:
You can see the reason for deletion at the file description page linked above. — Community Tech bot ( talk) 09:23, 4 October 2020 (UTC)
The following Wikimedia Commons file used on this page or its Wikidata item has been nominated for deletion:
Participate in the deletion discussion at the nomination page. — Community Tech bot ( talk) 11:23, 4 October 2020 (UTC)
According to the DPWH road data from 2018 and 2019, the Subic–Clark segment of the SCTEX is part of E4 as opposed to the DPWH's GIS web apps saying that it's part of E1. — hueman1 ( talk • contributions) 16:45, 17 January 2021 (UTC)
The current article as of February 26, 2023 states that it was unclear until now where KM 0 for the exit numbering system for the Subic-Clark section (E4) is based. It stumped me as well when examining the DPWH ArcGIS data as KM posts for national roads around the Subic area is nowhere near KM 90, if we'll count from Tipo's exit number. But using Google Maps and Street View data, I have an answer now.
E4's exit numbers are based on a reverse counting of the KM posts from Mabalacat to Subic.
If we remember, the Clark-Tarlac section counts from where NLEX left off (KM 88) as the natural progression of E1. In E4, KM posts count southwards normally from Mabalacat to Subic (where KM 88 S is in Mabalacat and KM 150 S is in Subic). For exit numbering, they used the same distance, but instead of starting from Mabalacat, the premise is that KM 88 is instead in Subic, and KM 150 ends in Mabalacat.
We can make a mathematical approach for proof. It seemed that E4 started counting exit numbers in reverse from KM 151+000 (90 meters from Argonaut Bridge, which is KM 150+900) so for anyone willing to cross-check my computation can do so with ease (my computation may be off by around 100-200 meters).
From KM 151+000, we'll count from Exit 88 upwards: SBMA Toll Gate: 88 + 4.4 = 92.4 -> Exit 92 Dinalupihan offramp: 88 + 18.7 = 106.7 -> Exit 107 Floridablanca offramp: 88 + 37.4 = 125.4 -> Exit 125 Porac offramp: 88 + 51 = 139 -> Exit 139 Clark South: 88 + 61 = 149 -> Exit 149 Mabalacat/NLEX: 88 + 62.3 => 150.3 => Exit 150
From the existing table, only Tipo exit (given as 91) did not fit within this computation, but it seems that it was because the Subic Freeport Expressway article used exit numbers starting at 83 and counting from Rizal/Martian junction (I can't find any photos yet of exit numbers in SFEx, which would be a great reference)
I'll try deriving the distances from toll fees next to see where SCTEX jurisdiction ends and SFEx jurisdiction begins so we can definitively define the source of exit numbering in both SCTEX and SFEx to make a more accurate article. Redsherry16 ( talk) 04:05, 26 February 2023 (UTC)
![]() | This article is written in Philippine English, which has its own spelling conventions (color, realize, center, travelled) and some terms that are used in it (including jeepney and cyberlibel) may be different or absent from other varieties of English. According to the relevant style guide, this should not be changed without broad consensus. |
![]() | This article was nominated for deletion on 2006 August 5. The result of the discussion was keep. |
![]() | This article is rated C-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | |||||||||||||||||||||||
|
The Subic Clark Tarlac Expressway is of two sections, the Subic to Clark Section (50.5 kms) and the Clark to Tarlac (41.24 kms)section.
Is Subic-Clark Expressway the distinct or part of the Subic-Clark-Tarlac Expressway? -- seav 16:13, 29 August 2006 (UTC)
The following Wikimedia Commons file used on this page or its Wikidata item has been nominated for speedy deletion:
You can see the reason for deletion at the file description page linked above. — Community Tech bot ( talk) 09:23, 4 October 2020 (UTC)
The following Wikimedia Commons file used on this page or its Wikidata item has been nominated for deletion:
Participate in the deletion discussion at the nomination page. — Community Tech bot ( talk) 11:23, 4 October 2020 (UTC)
According to the DPWH road data from 2018 and 2019, the Subic–Clark segment of the SCTEX is part of E4 as opposed to the DPWH's GIS web apps saying that it's part of E1. — hueman1 ( talk • contributions) 16:45, 17 January 2021 (UTC)
The current article as of February 26, 2023 states that it was unclear until now where KM 0 for the exit numbering system for the Subic-Clark section (E4) is based. It stumped me as well when examining the DPWH ArcGIS data as KM posts for national roads around the Subic area is nowhere near KM 90, if we'll count from Tipo's exit number. But using Google Maps and Street View data, I have an answer now.
E4's exit numbers are based on a reverse counting of the KM posts from Mabalacat to Subic.
If we remember, the Clark-Tarlac section counts from where NLEX left off (KM 88) as the natural progression of E1. In E4, KM posts count southwards normally from Mabalacat to Subic (where KM 88 S is in Mabalacat and KM 150 S is in Subic). For exit numbering, they used the same distance, but instead of starting from Mabalacat, the premise is that KM 88 is instead in Subic, and KM 150 ends in Mabalacat.
We can make a mathematical approach for proof. It seemed that E4 started counting exit numbers in reverse from KM 151+000 (90 meters from Argonaut Bridge, which is KM 150+900) so for anyone willing to cross-check my computation can do so with ease (my computation may be off by around 100-200 meters).
From KM 151+000, we'll count from Exit 88 upwards: SBMA Toll Gate: 88 + 4.4 = 92.4 -> Exit 92 Dinalupihan offramp: 88 + 18.7 = 106.7 -> Exit 107 Floridablanca offramp: 88 + 37.4 = 125.4 -> Exit 125 Porac offramp: 88 + 51 = 139 -> Exit 139 Clark South: 88 + 61 = 149 -> Exit 149 Mabalacat/NLEX: 88 + 62.3 => 150.3 => Exit 150
From the existing table, only Tipo exit (given as 91) did not fit within this computation, but it seems that it was because the Subic Freeport Expressway article used exit numbers starting at 83 and counting from Rizal/Martian junction (I can't find any photos yet of exit numbers in SFEx, which would be a great reference)
I'll try deriving the distances from toll fees next to see where SCTEX jurisdiction ends and SFEx jurisdiction begins so we can definitively define the source of exit numbering in both SCTEX and SFEx to make a more accurate article. Redsherry16 ( talk) 04:05, 26 February 2023 (UTC)