| Class No. | Class Name | Previous Lessons REQUIRED | Previous Lessons RECOMMENDED |
| ISC 101(1) | Introduction To The Program | ||
| ISC 101(2) | Introduction Into Chemicals | ||
| ISC 102(1) | Environmental Impact Of Winter Operations | ISC 101(1) & (2) | |
| ISC 103(1) | Basics Of Weather And Weather Forecasts | ISC 101 (1) & (2): ISC102 (1) | |
| ISC 103(2) | Basics Of Roadway Weather Information Systems | ISC 101(1) & (2) | ISC 102 (1): ISC 103(1) |
| ISC 104(1) | Prewetting Of Solid Materials | ISC 101(1) & (2) | ISC 102 (1): ISC 103(1) |
| ISC 104(2) | Direct Application Of Liquid Chemicals | ISC 101(1) & (2) | ISC 102 (1): ISC 103(1): ISC 104(1) |
| ISC 104(3) | Mechanical Methods Of Snow & Ice Control | ISC 101 (1) & (2): ISC 102(1): ISC 104(1) | |
| ISC 105(1) | Legal Aspects Of Winter Maintenance Operations | ISC 101 (1) & (2): ISC 102(1) | |
| ISC 201(1) | Advanced Chemical Issues | ISC 101(1) & (2): ISC 102(1) | ISC 105(1) |
| ISC 201(2) | Advanced Evaluation Of Chemical Products | ISC 101(1) & (2): ISC 201(1) | ISC 105(1) |
| ISC 202(1) | Basics Of Environmental Planning | ISC 101(1) & (2): ISC 102(1) | ISC 105(1) |
| ISC 202(2) | Advanced Environmental Planning | ISC 101(1) & (2): ISC 102(1): ISC 201(1): ISC 202(1) | ISC 105(1) |
| ISC 203(1) | Selection Of Weather Related Services & Equipment | ISC 101(1) & (2): ISC 103(1) | ISC 105(1) |
| ISC 203(2) | Advanced Roadway Weather Systems Planning & Operation | ISC 101(1) & (2): ISC 103 (2): ISC 203(1) | ISC 105(1) |
| ISC 203(3) | Roadway Weather Information Systems Specifications & Purchasing | ISC 101(1) & (2): ISC 103(2): ISC 203(1) & (2) | ISC 105(1) |
| ISC 204(1) | Selection Of Winter Maintenance Equipment | ISC 101(1) & (2) | ISC 102(1): ISC 105(1): ISC 104(1) & (2) |
| ISC 204(2) | Selection Of Winter Maintenance Materials | ISC 101(1) & (2) | ISC 102(1): ISC 105(1): ISC 104(1) & (2) |
| ISC 204(3) | Purchasing & Specification Writing | ISC 101(1) & (2) | ISC 101(1) & (2): ISC 102(1): ISC 105(1) |
| ISC 204(4) | Laboratory Procedures | ISC 101(1) & (2): ISC 201(1) | ISC 102(1): ISC 105(1): ISC 202(2) |
| ISC 205(1) | Operations Planning | ISC 101(1) & (2) | ISC 105(1) |
| ISC 205(2) | Evaluation And Implementation Fast Technologies | ISC 101(1) & (2) | ISC 103(1) & (2): ISC 105(1): ISC 201(1) |
| ISC 205(3) | Operations Support | ISC 101(1) & (2) | ISC 105(1) |