State Route 10, also known as Interblox 5, is a major north-south state route of the Bloxburg Valley State Route Network, having its terminus at the northern end in the city of San Juan and passes through the entire Bloxburg Valley to cross. It was formerly Interblox 10 before it was demoted to a state route because it never escaped the state borders.

Major cities in bold are officially designated as control cities for signage:

San Juan

Santa Fe

City of Bloxburg

Fort Sapphire

Freno

Smibrok

Sacramento (via State Route 580 and State Route 80)

Paradise

Buenos Lagos

Old Town Lake

This freeway connects major Bloxburg Valley cities such as San Juan, Santa Fe, Bloxburg City, Fort Sapphire. Among the cities not directly connected to State Route 5 is Sacramento, which is 80 miles (130 km) east of the freeway.

Names:

A portion of Bloxburg Valley State Route 10 from Fort Sapphire to Bloxburg is named as the Jack Lumber Highway. Jack Lumber is a lumberjack at Lovely Lumber.

Business Loops

Bloxburg Valley State Route 210

Bloxburg Valley State Route 10 Business Loop (or locally known as Coeptus Boulevard [from Mile Marker 1 to Mile Marker 62 and from Mile Marker 64 to Mile Marker 76], Alberto Barjau Ramírez Boulevard [from Mile Marker 62 to Mile Marker 64], Bloxburg Highway, or Bloxburg Valley State Route 210) is one of the business loops of this state route. It starts with the interchange of Bloxburg Valley State Route 10 and Coeptus Boulevard near a tunnel and ends with another interchange of Bloxburg Valley State Route 10 and Coeptus Boulevard, near the headquarters of Gazblox. It can be presumed as the main road of Bloxburg. Coeptus Boulevard serves as an alternative route to Bloxburg State Route 10 during rush hour, for Bloxburg State Route 10 can be quite congested at times. Bloxburg Valley State Route 10 Business Loop allows pedestrians to walk on its loop without authority.

On an unknown date, Coeptus Boulevard became a large boulevard with an autobahn-like speed limit in the city of Bloxburg. Even the boulevard looks like a highway. Prior to this unknown date, Coeptus Boulevard was still a large boulevard, but it had a boulevard-like speed limit. Some Robloxians prior to this time drove on speeds resembling highways or the maximum speed allowed for their vehicle in the state of Bloxburg Valley, necessitating the need for a higher speed limit or an autobahn speed limit. There is not much on Coeptus Boulevard, but it allows Robloxians to travel through the city of Bloxburg and take in the beauty. The elevation of Coeptus Boulevard is smaller than the elevation of a mountain near Bloxburg. The existence of Coeptus Boulevard has made it easier for Robloxians to get a view of houses and tourist attractions.

On February 24, 2023, per Alberto Barjau Ramírez's special state route adoption request, a two-mile segment of Bloxburg State Route 210 surrounding the Gazblox Headquarters has become concurrent with Alberto Barjau Ramírez Boulevard.

Depending on the vehicle the Robloxian uses, it can take about 96 to 288 minutes to travel through the entire boulevard. On foot, it can take about eight to twelve hours. This is the longest road in the city of Bloxburg, clocking in at 76.16 miles.

There are plans to promote this state route to Interblox status.

Exits

Exit 1: Bloxburg Valley State Route 10 South: Santa Fe

This exit is only available if one heads southbound. Should there be a tourist attraction here, it would have an address of 1 Coeptus Boulevard. A hill and a closed-in tunnel are featured.

Exit 2: Tunnel

Near the beginning of Coeptus Boulevard (heading northbound), this exit (designed as a tunnel) is used by Robloxians to visit an observatory and a mountain. There are also two more tunnel-like, unnumbered exits on the highway itself, which have no purpose other than giving the Robloxian access to neighborhoods. This exit is numbered Exit 14, and the tunnel has an address of 25 Coeptus Boulevard.

Exit 3: Campsite

Located near and north of the second exit, this exit is a relaxing location where Robloxians can sit by a campsite and sleep in tents. It is surrounded by trees. This exit is numbered Exit 26, and the campsite has an address of 51 Coeptus Boulevard. Since Interblox 7719 (Pumas Freeway) has an exit to Coeptus Boulevard, this exit is recommended for those heading back to Bloxburg or to the Robloxia-Bloxico border as this exit is near the I-7719 and Coeptus Boulevard exit. The fourth exit can also be used, but this exit is faster.

Exit 4: RB Battles Maze

Located near and north of the third exit, Robloxians could walk through a challenging maze for an award during the RB Battles Championship. Since the government event has ended, this exit has no purpose. This exit is numbered Exit 39, and the maze has an address of 75 Coeptus Boulevard.

Exit 5: Sledding Hut

This exit only has a purpose on two days: Christmas and New Year's Day. During those two days, Robloxians can visit the Sledding Hut that is usually located nearby and north of the fourth exit. The sledding hut is where Robloxians can buy sleds and sled down a steep hill. Robloxians have been reported to have fallen into the nearby river just by doing this. This exit is numbered Exit 51, and the sledding hut has an address of 99 Coeptus Boulevard.

Exit 6: Gazblox

One of the two Gazblox stores located in the city is located on the boulevard. It also seems to be a headquarters of Gazblox of some sort. It is relatively far away from other tourist attractions of Gazblox. Robloxians can purchase a variety of food here, and park their vehicle, if necessary. This exit is numbered Exit 63, and the gas station has an address of 123 Alberto Barjau Ramírez Boulevard.

Exit 7: Alberto Barjau Ramírez Boulevard

This exit is numbered Exit 64. The concurrency of Bloxburg Valley State Route 210 and Alberto Barjau Ramírez Boulevard ends here. Alberto Barjau Ramírez Boulevard's house numbers begin at 125.

Exit 8: Coeptus Boulevard

This exit is numbered Exit 70. The concurrency of Bloxburg Valley State Route 210 and Coeptus Boulevard ends here. House numbers begin at 139.

Exit 9: Bloxburg Valley State Route 10 North: Fort Sapphire

This exit is only available if one heads northbound. This exit is numbered Exit 76. Another hill and another closed-in tunnel are featured.

Fun Facts:

There is a sign located on both ends on the boulevard that welcomes Robloxians to the city of Bloxburg. However, the sign has not been updated, and it still portrays the population of the city as 50. This could imply that the business loop could also double as a bypass route for the city altogether.

Both entrances to the boulevard feature hills and closed-in tunnels.