Mysore city has quite a few gateways that was part of  the city's original layout. Some of these heritage structures are still functional while the rest have either disappeared or have only ornamental/historic value.

Arguably the most visible is the one located near the KSRTC bus stand (Central Bus station). Originally this was the gateway to the sprawling campus that houses the "Government House". Now no traffic pass through this gateway, rather this archway sits in the middle of a busy circle. Perhaps this is also the beacon of heritage conservation, given the situation this structure sits in the middle of an area under immense pressure of modernization and even increasing vehicular traffic.

This gateway was built around the year 1805 when the  Government House was built to accommodate the high-ranking officials of the British East India Company.

The area around the Gordon Park ( Gordon House, that houses the Deputy Commissioner's office) has a few gateways, two of them with designs similar to the one mentioned above. Some are in disused condition. The beautiful and functional one in this heritage locality is the one on the Hunsur road ( between Reliance Trends showroom and the fuel station). This gateway leads to Gordon House, Crawford Hall, Oriental Research Institute, Krishnaraja Boulevard etc.
A very similar one is located little eastward facing the Hunsur road (opposite to hotel Regaalis). This gateway though not damaged, is covered by the relatively modern compound wall part of the Maharani's college. Originally this was an archway to the Gordon House.

The above two are thought to be built around the year 1881, the decade around it has seen some feverish construction activities around this area.

Another massive gateway with guard quarter is located on the road that leads to the Lalitha Mahal Palace. NH212 passes through this gateway.

The oldest surviving - and the widest thoroughfare - gateway is on the Ashoka Road near the St. Philomena Church. This looks almost as if it was part of a fort ( probably it was). It is so wide and covered under the massive trees in the area that you will hardly notice it while passing it. You'll find this near the CPC polytechnic located  between the St. Philomena Church and the Fountain Circle.

The majestic of all the gateways in Mysore is obviously the one leads to the palace. The Jayamarthanda Gate facing the Mysore Palace is the most elaborate and the grandest. You can find a few more important gateways around the palace compound. The twin gates of  Balarama Jayarama Gateway is located on the north of the palace campus facing the Chamaraja Circle. You'll find a few more gateways around the palace, some were used as ceremonial gates while the rest was for regular use with more practical designs.

Karikal Thotti gate of the palace at the southwest was for accessing the residential quarter of the palace. You'll find this facing the city corporation building on the Sayyaji rao road. The Brahmapuri gate on the west (near the city bus stand) was used to access the Jaganmohan Palace from the Ambavilas Palace (Mysore Palace). Varaha gate on the south of the palace complex is where the ticket counter is located.

There is even a modern gateway designed in the traditional line to the Dasara Exhibition ground opposite to the palace.