S2 - Monitoring excavation in the highway

S3 - Monitoring reinstatement and compaction of backfill materials

S4 - Monitoring reinstatement of sub-base and base in non-bituminous materials

S5 - Monitoring reinstatement in bituminous materials

S6 - Monitoring reinstatement of concrete slabs

S7 - Monitoring reinstatement of modular surfaces and concrete footways