Japan National Route 308

{{short description|National highway in Japan}}

{{onesource|date=January 2025}}

{{Infobox road

|country=JPN

|type=National

|route=308

|maint=

|alternate_name=

|image_alt = Kuragari Tōge

|map={{Maplink|frame=yes|plain=yes|zoom=|frame-align=center|frame-height=300|type=line|stroke-width=2}}

|map_custom=yes

|image=Kuragari02.JPG

|length_km=32.9

|length_round=

|length_ref={{cite web|title=一般国道の路線別、都道府県別道路現況|trans-title=Road statistics by General National Highway route and prefecture|url=http://www.mlit.go.jp/road/ir/ir-data/tokei-nen/2016/pdf/d_genkyou26.pdf|language=ja|publisher=Ministry of Land, Infrastructure, Transport and Tourism|access-date=18 February 2020}}

|established= 1970

|direction_a= west

|terminus_a=Chūō-ku, Osaka
Shimbashi Intersection
({{coord|34|40|30.34|N|135|30|1.25|E|region:JP-27|name=Shimbashi Intersection}})

|junction= {{jct|country=JPN|Route|25}}(Concurrent with Route 26 and Route 165)
{{jct|country=JPN|Route|479}}
File:Hanshin Urban Expwy Sign 0013.svg Hanshin Expressway Route 13 Higashi-Osaka Line
25px Kinki Expressway
{{jct|country=JPN|Route|170}}
{{jct|country=JPN|Route|168}}
{{jct|country=JPN|Route|24}} (connected with 25px Keinawa Expressway)

|direction_b= east

|terminus_b= Nara, Nara
Sanjō-ōji 2-chōme Intersection
({{coord|34|40|54.76|N|135|48|1.21|E|region:JP-29|name=Sanjō-ōji 2-chōme Intersection}})

|previous_type=Route

|previous_route=307

|next_type=Route

|next_route=309

|browse=

}}

{{Nihongo|National Route 308|国道308号|Kokudō Sanbyaku-hachi-gō}} is a national highway of Japan connecting Chūō-ku, Osaka and Nara, with a total length of {{convert|32.9|km|mi|2|sp=us}}.