usaky6 (KY2500-2999) is now in preview and ready for peer review. All known routes (192 total) have been added to the HB.
Unsigned state routes:
2502 2503 2504 2506 2507 2508 2518 2526 2528 2529 2536 2537 2538 2540 2542 2544 2558 2559 2560 2561 2570 2571 2588 2596 2597 2598 2599
2602 2604 2605 2607 2608 2609 2610 2611 2612 2613 2617 2618 2619 2620 2621 2648 2651 2652 2655 2660 2662 2663 2666 2667 2675 2677 2681 2682 2685 2686 2687 2691 2692 2693 2694 2695 2696 2697
2708 2711 2712 2714 2719 2720 2722 2746 2775
2801 2803 2809 2821 2840 2841 2865 2873 2875 2876 2879 2880 2884 2886
2907 2908 2909 2910 2912 2913 2914 2915 2920 2925 2929 2933 2934 2935 2940 2943 2946 2967 2975 2978 2987 2998
Former state routes decommissioned by KYTC, per the SPRS listings here:
http://transportation.ky.gov/Planning/Pages/State-Primary-Road-System-Maps.aspx2500 2511 2512 2521 2524 2525 2530 2539 2547 2548 2556 2564 2572 2573 2574 2575 2577 2578 2579 2580 2581 2582 2583 2585 2586 2587 2589
2600 2615 2616 2622 2623 2624 2625 2626 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2649 2653 2654 2656 2658 2659 2661 2669 2676 2679 2680 2683 2684 2688 2689
2700 2701 2702 2703 2704 2705 2709 2710 2715 2716 2717 2721 2725 2728 2729 2730 2732 2733 2736 2742 2743 2745 2747 2748 2749 2751 2752 2753 2755 2757 2769 2770 2771 2772 2773 2774 2776 2782 2783 2787 2788 2789 2790 2791 2794 2795 2796 2797 2798 2799
2805 2806 2807 2808 2810 2811 2812 2813 2816 2818 2819 2823 2824 2825 2826 2827 2829 2832 2833 2843 2844 2848 2849 2851 2863 2864 2883 2887 2889 2891 2892 2893 2894 2895 2896 2898 2899
2900 2901 2903 2904 2905 2911 2922 2923 2927 2928 2930 2931 2932 2938 2939 2941 2947 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2977 2979 2980 2981 2983 2990 2991 2992 2999
I could find no evidence of the following routes existing now or in the past:
2576 2882 2916 2974 2976 2988