An approximately 2,417 meters long 2-lane main tunnel with
73.26m2 cross-section (Sta. 5+500.000 to Sta.
An approximately 2,429 meters long evacuation tunnel with
15.47m2 cross-section, parallel to the main tunnel;
19.65 meters long vehicular cross-passageways with 15.47m2
cross-section, and four pedestrian cross-passageways (two
21.65m long plus two 19.65 meter long) with 8.12m2
A 153 meters long (main tunnel center-to-center) by-pass
type electrostatic precipitator tunnels (south) with 57.69m2
A 208 meters 2-lane tunnel approach (Sta. 7+917.000 - Sta.
An approximately 817 meters long access road to high water
A 1,400m2, one-story, vehicular maintenance building;
A 58.45 meters long, 2-lane, 2-span (25.08m and 33.37m)
post-tensioned girder bridge (Sta. 8+044.275 - Sta. 8+102.725);
A south tunnel portal plaza.