Georgia State Route 135 Loop is an unmarked loop route south of the Lakeland City Limits, consisting entirely of Burnt Church Road. It begins at GA 135 south of Darsey Pond, then curves to the northeast. At Union Church and the cemetery across the street from it, the road begins to turn towards the northwest and then runs west along the south side of the Lakeland City Line. The route intersects the GA 135 bypass before finally terminating at GA 135. Burnt Church Road continues to the west as an unmarked street leading to US 221.
Georgia State Route 135 Bypass is a bypass route of GA 135 mostly in Lakeland. It is entirely South Oak Street. The route begins at GA 135 just south of the Lakeland City Limits, then crosses Burnt Church Road (GA 135 Loop) before entering the city. The bypass joins at US 129/221/GA 31/37 for two blocks, then turns north onto North College Street in a one block overlap with GA 11 Bypass, which turns left at East Church Street. GA 135 Bypass ends at GA 135 near the Charles Knight Cemetery.
Georgia State Route 135 Truck includes East Jefferson Street from US 221 to US 23 in Hazlehurst, but also turns left onto US 23/SR 19 turns right onto Larry Contos Boulevard, and US 341/SR 27 on the Golden Isles Parkway terminating at northbound US 221 and the north end of US BUS 23. The route is entirely overlapped by US Truck Route 221.