G45 Daqing–Guangzhou Expressway

{{Short description|Road in China}}

{{Infobox road

| country = CHN

| type = Expwy

| route = 45

| alternate_name = Daguang Expressway
大广高速公路

| length_mi =

| length_km = 3550

| length_round =

| length_notes =

| map = G45 map.svg

| established =

| photo = K102 of Beijing-Chengde Expressway in Weiziyu, Beizhuang (20200822121449).jpg

| photo_notes = The expressway in Miyun District, Beijing in 2020

| length_ref = [http://www.china-highway.com/html/165/22/22912/1.htm G45 大广高速] {{in lang|zh}} {{webarchive |url=https://web.archive.org/web/20110707045456/http://www.china-highway.com/html/165/22/22912/1.htm |date=July 7, 2011 }}

| direction_a = North

| terminus_a = Daqing Sartu Airport, Sartu District, Daqing, Heilongjiang

| junction =

| direction_b = South

| terminus_b = {{jct|country=CHN|Ex|15|Ex|1508|province=GD|S|41}} in Guangzhou, Guangdong

| previous_type = Expwy

| previous_route = 4231

| previous_dab =

| next_type = Expwy

| next_route = 4501

| next_dab =

}}

The Daqing–Guangzhou Expressway ({{zh|s=大庆－广州高速公路|labels=no}}), designated as G45 and commonly referred to as the Daguang Expressway ({{zh|s=大广高速公路|labels=no}}) is an expressway that connects the cities of Daqing, Heilongjiang, and Guangzhou, Guangdong in China. When fully complete, it will be {{convert|3550|km|mi|abbr=on}} in length.{{cn|date=September 2024}}