安宁河流域西昌市的北山、河西、月华等地的大石墓葬和古墓群证明,凉山早在新石器时代已有人类栖息繁衍,那么凉山最早的古道当是他们首先踩踏开拓出来的;到了蜀王杜宇时期,即有自蜀都通向西南的通道。这说明当时蜀道西南一线已伸入云南昆明、大理等地,构成以西昌为中枢的南北通道……凉山古道也许可以昭示它远古的文明,但却不能成为这方水土日后繁荣、发达的凭证。凉山,曾经在很长一段时间是何其闭塞、荒芜,每一个建设者、开拓者作为历史的见证人都能描述出它的旧模样。翻开凉山公路的历史,1952年凉山从奴隶社会一跃跨入社会主义社 Andean Basin Xichang Beishan, Hexi, Yuet Wah and other places of the boulder tombs and tombs prove that Liangshan as early as the Neolithic has been human habitat reproduction, then Liangshan the first of the ancient trail when they first opened up by foot; to King Du Yu period, that is, from Sichuan have access to the southwest of the channel. This shows that at the time, the southwest of Shudao has reached Yunnan and Kunming, Dali and other places, forming Xichang as the center of the North-South Passage ...... The Liangshan Road may be able to demonstrate its ancient civilization, but it can not become a prosperous later this side of the soil and water vouchers . Liangshan, once for a long time it is blocked, barren, every builder, pioneer as a witness of history can describe its old appearance. Open the history of Liangshan Road, Liangshan in 1952 leapt from slave society into the socialist community