Chile Route 181 - Wikipedia

Route 181-CH is a branch line road going eastward from Chile Highway 5 at Victoria to Pino Hachado Pass at the border to Argentina. Through its length the road passes along or close to the cities and towns of Victoria and Lonquimay. All of the route runs inside La Araucanía Region and between Curacautín and Lonquimay the road runs through Las Raíces Tunnel, Chile's longest tunnel.

v t e Roads of Chile
National Roads	1-CH 5-CH Panamericana 7-CH 9-CH 11-CH 12-CH 15-CH 16-CH 21-CH 23-CH 24-CH 25-CH 26-CH 27-CH 28-CH 31-CH 41-CH 43-CH 44-CH 45-CH 47-CH 57-CH 60-CH Panamericana 62-CH 66-CH 68-CH 70-CH 71-CH 72-CH 73-CH 74-CH 76-CH 78-CH 79-CH 90-CH 115-CH 125-CH 126-CH 128-CH 148-CH 150-CH 152-CH 154-CH 156-CH 158-CH 160-CH 180-CH 181-CH 182-CH 194-CH 199-CH 201-CH 203-CH 205-CH 206-CH 215-CH 225-CH 226-CH 231-CH 235-CH 240-CH 245-CH 250-CH 255-CH 257-CH 265-CH 730-CH
XV Arica and Parinacota Region I Tarapacá Region	A-15 A-23 A-27 A-31 A-35 A-37 A-40 A-45 A-65 A-75 A-85 A-93 A-95 A-97 A-133 A-137 A-210 A-302 A-367 A-371 A-375 A-414 A-469 A-475 A-477 A-487 A-489 A-493 A-500 A-515 A-525 A-545 A-555 A-557 A-561 A-563 A-565 A-616 A-629 A-630 A-639 A-651 A-665 A-675 A-685 A-687 A-760 A-959 A-961 A-963
II Antofagasta Region	B-20 B-55 B-70 B-81 B-92 B-97-A B-245 B-262 B-272 B-320 B-350 B-400 B-410 B-430 B-446 B-475 B-710
III Atacama Region	C-13 C-17 C-35 C-46 C-48 C-35 C-46 C-115-B C-237 C-261 C-304 C-308 C-314 C-360 C-366 C-370 C-390 C-399 C-410 C-411 C-414 C-416 C-420 C-423 C-432 C-440 C-442 C-449 C-451 C-455 C-467 C-483 C-484 C-495 C-527 C-565 C-569 C-611
IV Coquimbo Region	D-35 D-51 D-110 D-115 D-135 D-145 D-165 D-180 D-190 D-555
V Valparaíso Region	E-46 E-89 F-10-G F-20 F-30-E F-50 F-90 F-94 F-188 F-220 F-518 F-724 F-962-G
V Valparaíso Region San Antonio Province Metropolitan Region	G-10-F G-11 G-13 G-16 G-21 G-25 G-30 G-34 G-45 G-60 G-73 G-78 G-131 G-184 G-192 G-198 G-251 G-260 G-355 G-455 G-457 G-690
VI Libertador General Bernardo O'Higgins Region	G-880 H-25 H-30 H-35 H-255 I-20 I-50 I-60 I-62-G I-70-J I-72 I-80-G I-82 I-502
VII Maule Region	J-25 J-30-I J-40 J-55 J-60 J-65 K-15 K-16 K-25 K-31 K-45 K-60 L-11 L-25 L-30-M L-32 L-35 L-45 L-55 L-75 L-85 M-50 M-80-N
VIII Bío Bío Region	N-31 N-45 N-47 N-50 N-59 N-97-Q N-114 N-299 N-319 N-450 N-451 N-455 N-679 N-745 N-965 P-60-R O-14 O-50 O-54 O-60 O-97-N O-170 O-220 O-260 O-561 O-630 O-634 O-670 O-722 P-60-R P-70 Q-33-N Q-35 Q-50 Q-60 Q-61-R Q-75 Q-769 Q-953 R-150
IX Araucanía Region	R-76-S R-86 R-90-P S-16 S-40 S-51
XIV Los Ríos Region	T-70 T-202 T-206
X Los Lagos Region	U-40 V-85 V-90
XI Aysén del General Carlos Ibáñez del Campo Region	X-10 X-13 X-24 X-91 X-265 X-421 X-550 X-600 X-608 X-728 X-735 X-890
XII Magallanes y la Antártica Chilena Region	Y-50 Y-120 Y-135 Y-150 Y-156 Y-158 Y-160 Y-166 Y-180 Y-257 Y-290

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