.svg) | |
|---|---|
| Payapa Road Tagaytay-Junction–Calaca-Lemery Road | |
| Route information | |
| Maintained byDepartment of Public Works and Highways - Batangas 1st District Engineering Office[1] | |
| Length | 20.064 km[1] (12.467 mi) |
| Existed | 1945–present |
| Component highways |  N410 |
| Major junctions | |
| North end |  N410 /N407 (Tagaytay–Nasugbu Highway) atCalaca–Alfonso boundary |
| South end |  N436 (Palico–Balayan–Batangas Road) inLemery, Batangas |
| Location | |
| Country | Philippines |
| Provinces | Batangas,Cavite |
| Major cities | Calaca |
| Towns | Alfonso,Laurel,Lemery |
| Highway system | |
| |
TheDiokno Highway, also known asRamón Diokno Highway,Payapa Road and formerly asTagaytay-Junction–Calaca-Lemery Road,[2] is a 20.064-kilometer (12.467 mi),[1] two-lane, secondary road inBatangas that connects the city ofCalaca, near its border withNasugbu andAlfonso, Cavite, and the municipality ofLemery.[3] It connects southernCavite andBatangas.
The highway is named afterRamón Diokno, a native ofTaal, Batangas who served as a representative for Batangas, senator and Supreme Court associate justice.[4][5]
Diokno Highway starts at the Dayap Junction, its intersection withTagaytay–Nasugbu Road at the provincial boundary ofCavite andBatangas. Starting from near the foot ofMount Batulao, it partially delineates the boundaries of the municipalities ofAlfonso andLaurel and the city ofCalaca. The road winds through the mountainous terrain on the western edge of theTaal Volcano Natural Park, traversing especially Payapa Ilaya and Payapa Ibaba,barangays inLemery to where its alternate name, Payapa Road, apparently derived its name from. It terminates at Palico–Balayan–Batangas Road in Lemery at the south.
The origin of the highway could be traced back to 1945, when theUS Army Corps of Engineers built a “dusty, twisting, narrow” road betweenMount Batulao andLemery as the shorter route relative to Route 17, which connectedImus andBatangas via Palico inTuy and includes the present-dayAguinaldo Highway,Tagaytay–Nasugbu Road and Palico–Balayan–Batangas Road. According to MajorEdward M. Flanagan Jr. in his 1948 book, this road was called the Shorty Ridge Road, which likely refers the present-day Diokno Highway.[6][7]
A portion of the highway was affected by a landslide caused byTyphoon Melor (Nona) in December 2015; fortunately, the entire stretch was open to traffic as of December 17.[8] In August 2016, a 100-meter (330 ft) section of the highway inCalaca was closed to traffic due to road slip and collapsed slope protection following the continuous heavy rains in the area.[9] As a result, the Diokno Bridge was reconstructed beginning in the first quarter of 2017. The reconstructed bridge was inaugurated on November 13, 2018.[2] The highway was also affected by theJanuary 2020 Taal Volcano eruption, resulting to poor visibility on the highway and damage worth₱41.62 million.[10][11]
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