Transport for London requires a contract to be put in place for skidding resistance surveys using sideways-force coefficient routine investigation machine (SCRIM) and micro grip tester surveys for measuring and monitoring skid resistance on Transport for London Road Network carriageways and cycle ways (Lot 1) and surface condition assessment of the National Network of Roads (Scanner) surveys (Lot 2) on the Transport for London Road Network (TLRN) carriageways. TfL is conducting a competitive tender for this contract for duration of an initial term of 4 years with an additional two (2) optional extensions of up to twelve (12) months each.