West Coast Express is a daily train connecting the city of Chennai

Chennai

Chennai , formerly known as Madras or Madarasapatinam , is the capital city of the Indian state of Tamil Nadu, located on the Coromandel Coast off the Bay of Bengal. Chennai is the fourth most populous metropolitan area and the sixth most populous city in India...

 in Tamil Nadu

Tamil Nadu

Tamil Nadu is one of the 28 states of India. Its capital and largest city is Chennai. Tamil Nadu lies in the southernmost part of the Indian Peninsula and is bordered by the union territory of Pondicherry, and the states of Kerala, Karnataka, and Andhra Pradesh...

 with the port city of Mangalore

Mangalore

Mangalore is the chief port city of the Indian state of Karnataka. It is located about west of the state capital, Bangalore. Mangalore lies between the Arabian Sea and the Western Ghat mountain ranges, and is the administrative headquarters of the Dakshina Kannada district in south western...

 in Karnataka

Karnataka

Karnataka , the land of the Kannadigas, is a state in South West India. It was created on 1 November 1956, with the passing of the States Reorganisation Act and this day is annually celebrated as Karnataka Rajyotsava...

 via Coimbatore Junction

Coimbatore Junction

Coimbatore Junction erstwhile Kovai junction, is the railway station located in heart of the city Coimbatore. The station code is CBE. It has 6 platforms. It is a Major Railway junction in South India and the second busiest railway station in Tamil Nadu in terms of passenger movement...

. It is one of the trains connecting the Bay of Bengal

Bay of Bengal

The Bay of Bengal , the largest bay in the world, forms the northeastern part of the Indian Ocean. It resembles a triangle in shape, and is bordered mostly by the Eastern Coast of India, southern coast of Bangladesh and Sri Lanka to the west and Burma and the Andaman and Nicobar Islands to the...

 and Arabian Sea

Arabian Sea

The Arabian Sea is a region of the Indian Ocean bounded on the east by India, on the north by Pakistan and Iran, on the west by the Arabian Peninsula, on the south, approximately, by a line between Cape Guardafui in northeastern Somalia and Kanyakumari in India...

 and the oldest train.

The name traces to Mangalore which is on the west coast of India. It is one of the oldest trains and also provides a day-time connectivity to Coimbatore

Coimbatore

Coimbatore , also known as Kovai , is the second largest city in the Indian state of Tamil Nadu. It is a major commercial centre in Tamil Nadu and is known as the "Manchester of South India"....

 from Chennai

Chennai

Chennai , formerly known as Madras or Madarasapatinam , is the capital city of the Indian state of Tamil Nadu, located on the Coromandel Coast off the Bay of Bengal. Chennai is the fourth most populous metropolitan area and the sixth most populous city in India...

.