Chennai Central–Nagercoil Weekly Superfast Express

{{short description|Train in India}}

{{Use dmy dates|date=June 2018}}

{{Use Indian English|date=June 2018}}

{{Infobox rail service

| name = Chennai Central–Nagercoil Weekly Superfast Express

| image =

| image_width =

| caption =

| type = Superfast

| locale =

| first =

| last =

| operator = Southern Railway zone

| ridership =

| start = {{stnlnk|Chennai Central}} (MAS)

| stops = 18

| end = {{stnlnk|Nagercoil Junction}} (NCJ)

| distance = {{convert|923|km|0|abbr=on}}

| journey time = 16h 45m

| frequency = Weekly {{efn|Runs one days in a week for every direction.}}

| class = AC 1st, AC 3 Tier, Sleeper class, General Unreserved

| seating = No

| sleeping = Yes

| autorack =

| catering = On-board catering
E-catering

| observation = ICF-CBC rake

| entertainment = No

| baggage = No

| other facilities= Below the seats

| stock = 2

| gauge = {{track gauge|1676mm|al=on|allk=on}}

| electrification =

| trainnumber = 12689/12690

| speed = {{convert|55|km/h|0|abbr=on}}, including halts

| map =

| map_state =

}}

The Chennai Central–Nagercoil Superfast Express is a Superfast train belonging to Southern Railway zone that runs between {{stnlnk|Chennai Central}} and {{stnlnk|Nagercoil}} in India. It is currently being operated with 12689/12690 train numbers on a weekly basis.{{cite web|url=http://timesofindia.indiatimes.com/city/madurai/Additional-sleeper-coaches-for-four-express-trains/articleshow/46631795.cms|title=Additional sleeper coaches for four express trains|website=Times of India|date=20 March 2015 |accessdate=2017-08-15}}{{cite web|url=http://www.thehindu.com/todays-paper/tp-national/tp-tamilnadu/crack-on-rail-line-delays-train/article7620906.ece|title=Crack on rail line delays train – TAMIL NADU|website=The Hindu|date=5 September 2015 |accessdate=2017-08-15}}{{cite web|url=http://www.thehindu.com/todays-paper/tp-national/tp-tamilnadu/additional-coaches-in-trains/article7009479.ece|title=Additional coaches in trains – TAMIL NADU|website=The Hindu|date=18 March 2015 |accessdate=2017-08-15}}