Highways Agency Prepare For Winter Weather Heart's seen how the Highways Agency plan to deal with any bad weather this winter. They've got 25% more salt and grit stocks compared to the same time last year. 1. Highways Agency Winter 1 2. Highways Agency Winter 3 3. Highways Agency Winter 4 4. Highways Agency Winter 5 5. Highways Agency Winter 6 6. Highways Agency Winter 8 7. Highways Agency Winter 9 8. Highways Agency Winter 10 9. Highways Agency Winter 11 10. Highways Agency Winter 12 11. Highways Agency Winter 14