SOUTHEAST ASIA ACTIVITY REPORT SELECTED TRANSPORTATION AND INFILTRATION COMPENDIUM 1 OCTOBER 1967

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04560A006100010017-3
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 18
• Document Creation Date: December 28, 2016
• Document Release Date: November 19, 1999
• Sequence Number: 17
• Publication Date: September 1, 1967
• Content Type: REPORT

Apt 6 i ftIease 2000/04/17 : CIA-RDP78BO456OA006100010017-3
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PHOTOGRAPHIC INTERPRETATION REPORT
SOUTHEAST ASIA
ACTIVITY REPORT
SELECTED TRANSPORTATION
AND INFILTRATION
COMPENDIUM
I OCTOBER 1967
tl8 ?jWf/17 : CIA-RDP78BO45
Approved For R
XC
NPIC/R-185/67
SEPTEMBER 1967
 Approved For Release 2000/04/17 : CIA-RDP78BO456OA006100010017-3
This document contains information affecting
the national defense of the United States,
within the meaning of Title 18, sections
793 and 794, of the U.S. Code, as amended.
Its transmission or revelation of its contents
to or receipt by an unauthorized person is
prohibited by law.
Approved For Release 2000/04/17 : CIA-RDP78BO456OA006100010017-3
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Approved For 0061000100474
PREFACE
This report is a summary of selected information
on transportation and infiltration activity in southeast
Asia as reported by NPIC during the period indicated
on the cover. Those lines of communication and associ-
ated facilities which support communist insurgency in
Laos and South Vietnam are emphasized.
Items are numbered and arranged according to location
from north to south. Annotated maps of varying scales
have been included to assist the reader in locating the
items. Each large-scale map depicts all motorable roads
photographically confirmed by NPIC unless otherwise in-
dicated.
Missions, mission dates, frames, and NPIC cable
and briefing board references are listed after each item,
as appropriate.
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006100010017-3
1.
Extended Railroad Tunnel, Kep/Thai Nguyen Rail Line,
North Vietnam
4
2.
Suspension Cable Bridge; Jiet Tri, North Vietnam
6
3.
Road Improvement, Route 19, North Vietnam
8
4.
Dual-gauge Railroad Track Extension, Ha Noi Area,
North Vietnam
12
5.
Bridge Decking on Suspe-ision Cable Bridge, Dong
Phong Thuong, North Vietnam
14
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Road
0 50 190 150 Miles
0 50 100 150 Kilometgrs
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1. Extended Railroad Tur~el, Kep/Thai Nguyen Rail Line, North Vietnam.
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Efforts by the Nortr. Vietnamese to extend the length of a tunnel --
are observed for the first time on
the standard-gauge Kep/T1-.a:~ Nguyt:n Rail Line (Figure 1) . A covered trellis 25X1 D
extends approximately 12C ~.'eet from each .entrance of a tunnel at 21-34~N
105-58-~E
NPIC Cable Cite 1836, DZG ?300312, Sep 67, Ser F00477
~~~~~~~~~(~~ L~Q~~ .
SKE ETA 6152 ~i l $~ .652
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2. Susroension Gable Brid,;e, Viet Tri, North Vietnam
25X1 D
The 720-foot suspension cable bridge at Viet Tri is probably com~?lete,
although. decking has not fret been observed. Constructed on the site of the
partially-destroyed Viet `Pri Railroad and Highway Bridge over the Riviere
Claire at 21-17N 105-26E, the bridge is one of the new generation, long
suspension cable bridges observed in North Vietnam and is probably intended
for vehicle traffic only.
The cable anchorages have been covered-and at least four taut cables
span the distance between the recently-erected suspension towers (Figure 2).
The towers have been erected on the northern approach and on the end of
the undamaged bridge span. Construction was first observed on
(see Summary No. 55, Item 1~. A second example of the suspension cable
bridges can be found in Item 5, Page 14, of this Summary.
NPIC Gable Cite 1$38, D'I`G 2301022, Sep 67, Ser F00~+75
25X1 D
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FIGURE 2. VIET TRI SUSPENSION BRIDGE, NORTH VIETNAM
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Approved For R
3. Road Improvement, Route 19, North Vietnam
R-185./67
6100010017-3
Worth Vietnam Route 19 is being extensively improved from Dien Bien
Phu south-southwest Iowa^d the Laos~North Vietnam border. Approximately
150 personnel, 11 trucks construction vehicles and numerous Iles of
aggregate are observed f^om 21-16~t 102-57~ to 21-15-
~1V 102-55~E ~ ~F=ire 3) ? Two probable c~truct~on~camps are
located at 21-1 102-56 ~ and 21-16 102- 67'
-. Road constr?zction continues on the Route 19 segment between
rIouay Chik and Sop At to approximately 21-06~I 102-33~E
and on Route 191 between Dien Bien Phu and Lai Chau (see Summary No. 57,
Item 4).
NPIC Cable Cite 137, DTG 2300472, Sep 7, Ser F00476
Approved For Re1~000/01~~1~1~1.78B04560A006100010017-3
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ROAD IMPROVEMENT (FIG. 3
ROUTE 19
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006100010017-3
FIGURE 3. ROAD IMPROVEMENT, ROUTE 19, NORTH VIETNAM
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4. Dual-gauge Railroad Trick Extension, Ha Noi Area, North Vietnam
Recent constr-action on the Ha Noi-Lao Cai~Ha Noi-Ping Hsiang Rail Line
indicates that the dual-gauge capability will be extended into Ha Noi and~or
25X1 D along the rail by-pass around Ha Noi to the south. Construction on the
25X1 D third rail, which extende J'rom the standard-gauge Kep~Thai Nguyen Rail Line
via Nguyen Khe, had proceeded southwest through the Yen Vien Classification 25X1 D
25X1 D Yard to a terminus at 21-O~~~V 105-54~E as of 25X1 D
(Figure 4). Thus far. it is the only dual-gauge track in the meter-
gauge classification yard. Covered stacks of probable rails are located
near the terminus of conaruction.
The mile-long Doumer Bridge immediately northeast of Ha Noi is un-
serviceable, forcing rail traffic along the by-pass and into Ha Noi via rail
ferry. The recently comFleted rail ferry approaches at ~0-59N 105-54E were
constructed with standard-gauge ties, adding inference to the probability that
dual-gauge construction wi._1 lead into Ha Noi. The rail road and highway
bridge over the Canal De: Rapides is serviceable.
25X1 D i~PIC Cable Cite 1 59, DTG ~? 21592, Sep 67, Ser F00~+79
25X1 D
FIGURE 4 . DUAL-GAUGE RAILkOAO TRACK EXTENSION, NA NOI LAO CAI RAIL LINE, NORTH VIETNAM
Page 12
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