| Reader ID | Reader Description | Last Read Time |
| 100 | IH-10 Katy Mainlanes at Greenhouse | Unavailable |
| 112 | IH-10 Katy WB at N Post Oak | 10 hours 53 minutes 37 seconds ago |
| 114 | IH-10 Katy WB/EB at TC Jester | Unavailable |
| 115 | IH-10 Katy WB/EB at Taylor | Unavailable |
| 120 | IH-10 East WB/EB at US-59 Eastex | Unavailable |
| 122 | IH-10 East WB/EB at Lockwood | Unavailable |
| 123 | IH-10 East WB/EB at IH-610 East Loop | Unavailable |
| 124 | IH-10 East WB/EB at Mercury | Unavailable |
| 125 | IH-10 East EB at Normandy | Unavailable |
| 126 | IH-10 East WB at Normandy | Unavailable |
| 127 | IH-10 East WB/EB at Beltway 8 | Unavailable |
| 128 | IH-10 East Mainlanes at Sheldon | Unavailable |
| 129 | IH-10 East Mainlanes at Magnolia | Unavailable |
| 130 | IH-10 East Mainlanes at Crosby-Lynchburg WB | Unavailable |
| 131 | IH-10 East Mainlanes at Crosby-Lynchburg | Unavailable |
| 150 | IH-10 Katy Mainlanes at Westgreen | Unavailable |
| 151 | IH-10 Katy WB at Mason | Unavailable |
| 152 | IH-10 Katy EB at Grand Parkway | Unavailable |
| 153 | IH-10 Katy Mainlanes at Pin Oak | Unavailable |
| 200 | US-290 Northwest Mainlanes at Barker-Cypress | Unavailable |
| 201 | US-290 Northwest WB at FM 1960 | Unavailable |
| 202 | US-290 Northwest EB at FM 1960 | Unavailable |
| 203 | US-290 Northwest HOV at West Rd | Unavailable |
| 204 | US-290 Northwest Mainlanes/HOV at Beltway 8-West | Unavailable |
| 205 | US-290 Northwest at Fairbanks | Unavailable |
| 206 | US-290 Northwest WB/EB/HOV at Pinemont | Unavailable |
| 210 | US-290 Northwest HOV at Northwest Transit Center | Unavailable |
| 220 | SH-225 EB at IH-610 | Unavailable |
| 221 | SH-225 WB at IH-610 | Unavailable |
| 222 | SH-225 EB/WB at Richey | Unavailable |
| 223 | SH-225 EB/WB at Beltway 8-East | Unavailable |
| 224 | SH-225 EB/WB at Battleground | Unavailable |
| 225 | SH-225 EB/WB at SH-146 | Unavailable |
| 226 | SH-146 NB at Fairmont Parkway | Unavailable |
| 227 | SH-146 NB/SB at Barbours Cut | Unavailable |
| 228 | SH-146 NB/SB at Fred Hartman Bridge South | Unavailable |
| 229 | SH-146 NB/SB at Fred Hartman Bridge North | Unavailable |
| 230 | SH-146 NB/SB at West Texas | Unavailable |
| 231 | SH-146 (Spur-330 NB) at Wade | Unavailable |
| 232 | SH-146 (Spur-330 SB) at Bayway | Unavailable |
| 280 | SH-288 SB at Holly Hall | Unavailable |
| 281 | SH-288 NB at Holly Hall | Unavailable |
| 282 | SH-288 SB/NB at South MacGregor | Unavailable |
| 283 | SH-288 SB/NB at US-59 Southwest | Unavailable |
| 284 | SH-288 Southbound at Airport | Unavailable |
| 285 | SH-288 Northbound at Airport | Unavailable |
| 286 | SH-288 Southbound at Beltway 8-South | Unavailable |
| 287 | SH-288 Northbound at Beltway 8-South | Unavailable |
| 288 | SH-288 Northbound at McHard | Unavailable |
| 289 | SH-288 Southbound at FM-518 | Unavailable |
| 291 | SH-288 Northbound at SH-6 | Unavailable |
| 292 | SH-288 Southbound at SH-6 | Unavailable |
| 300 | SH-249 at Beltway 8-North | Unavailable |
| 301 | SH-249 at Mills | Unavailable |
| 302 | SH-249 at Cypresswood | Unavailable |
| 303 | SH-249 SB at Jones | Unavailable |
| 304 | SH-249 NB at Northpointe | Unavailable |
| 397 | IH-45 North Mainlanes at FM-1488 | Unavailable |
| 398 | IH-45 North Mainlanes at Woodlands Parkway | Unavailable |
| 399 | IH-45 North Mainlanes at Meadowfern | Unavailable |
| 400 | IH-45 Mainlanes at Hardy Toll Road | Unavailable |
| 401 | IH-45 North SB/NB at Louetta | Unavailable |
| 402 | IH-45 North SB/NB/HOV at Parramatta (Metro HOT Lane) | Unavailable |
| 403 | IH-45 North SB/NB/HOV at Aldine Bender | Unavailable |
| 404 | IH-45 North SB at Shepherd | Unavailable |
| 405 | IH-45 North HOV at Shepherd | Unavailable |
| 406 | IH-45 North NB at Shepherd | Unavailable |
| 407 | IH-45 North SB/NB/HOV at Crosstimbers | Unavailable |
| 408 | IH-45 North SB/NB at IH-10 Katy | Unavailable |
| 460 | IH-45 North HOV at I-10 (Metro HOT Lane) | Unavailable |
| 410 | IH-45 Gulf SB/NB at Allen Parkway (I-10) | Unavailable |
| 411 | IH-45 Gulf SB/NB/HOV at Scott | Unavailable |
| 412 | IH-45 Gulf Mainlanes/HOV at Wayside | Unavailable |
| 413 | IH-45 Gulf SB/NB/HOV at Woodridge | Unavailable |
| 414 | IH-45 Gulf Mainlanes/HOV at Broadway | Unavailable |
| 415 | IH-45 Gulf SB/NB/HOV at Monroe | Unavailable |
| 417 | IH-45 Gulf SB/NB/HOV at Edgebrook | Unavailable |
| 418 | IH-45 Gulf Mainlanes/HOV at Fuqua | Unavailable |
| 450 | IH-45 Gulf HOV at Monroe (Metro HOT Lane) | Unavailable |
| 451 | IH-45 Gulf HOV at Dixie Farm Road (Metro HOT Lane) | Unavailable |
| 452 | IH-45 Gulf HOV at Dowling (Metro HOT Lane) | Unavailable |
| 500 | US-59 Eastex SB/NB/HOV at Townsen | Unavailable |
| 501 | US-59 Eastex Mainlanes/HOV at Beltway 8 | Unavailable |
| 502 | US-59 Eastex Mainlanes/HOV at Aldine Mail Route | Unavailable |
| 503 | US-59 Eastex Mainlanes/HOV at Tidwell | Unavailable |
| 504 | US-59 Eastex Mainlanes/HOV at Will Clayton Parkway | Unavailable |
| 506 | US-59 Eastex SB/NB at IH-610 North Loop | Unavailable |
| 507 | US-59 Eastex SB/NB/HOV at Quitman | Unavailable |
| 508 | US-59 Eastex SB/NB at IH-45 | Unavailable |
| 509 | US-59 Southwest SB/NB at Fannin | Unavailable |
| 511 | US-59 Southwest Mainlanes at Hazard | Unavailable |
| 512 | US-59 Southwest SB at Newcastle | Unavailable |
| 513 | US-59 Southwest NB/HOV at Newcastle | Unavailable |
| 514 | US-59 Southwest SB at IH-610 West Loop | Unavailable |
| 515 | US-59 Southwest NB/HOV at IH-610 West Loop | Unavailable |
| 516 | US-59 Southwest Southbound at Hillcroft | Unavailable |
| 518 | US-59 Southwest Northbound/HOV at Hillcroft | Unavailable |
| 519 | US-59 Southwest SB/NB/HOV at Bissonnet | Unavailable |
| 920 | US-59 Southwest SB/NB at Wilcrest | Unavailable |
| 521 | US-59 Southwest SB/NB at Williams Trace | Unavailable |
| 522 | US-59 Southwest SB/NB/HOV at Sweetwater | Unavailable |
| 523 | US-59 Southwest SB/NB/HOV at SH-99 | Unavailable |
| 550 | US-59 Southwest SB/NB/HOV at W Airport (Metro HOT Lane) | Unavailable |
| 551 | US-59 Southwest HOV at Louisiana (Metro HOT Lane) | Unavailable |
| 600 | IH-610 North Loop WB at Lockwood | Unavailable |
| 602 | IH-610 North Loop WB/EB at US-59 Eastex | Unavailable |
| 603 | IH-610 North Loop WB/EB at Irvington | Unavailable |
| 608 | IH-610 West Loop SB at IH-10 Katy | Unavailable |
| 609 | IH-610 West Loop NB at IH-10 Katy | Unavailable |
| 611 | IH-610 West Loop NB/SB at Westheimer | Unavailable |
| 615 | IH-610 West Loop SB/NB at Fournace (US-59 Southwest) | Unavailable |
| 616 | IH-610 West Loop SB/NB at Evergreen | Unavailable |
| 617 | IH-610 West Loop SB at South Post Oak | Unavailable |
| 618 | IH-610 South Loop WB/EB at Stella Link | Unavailable |
| 619 | IH-610 South Loop WB/EB at SH 288 | Unavailable |
| 620 | IH-610 South Loop EB at Scott Street | Unavailable |
| 621 | IH-610 South Loop WB at Scott Street | Unavailable |
| 622 | IH-610 South Loop at Broad | Unavailable |
| 623 | IH-610 South Loop WB at Broadway | Unavailable |
| 624 | IH-610 South Loop NB at SH 255 | Unavailable |
| 625 | IH-610 East Loop SB/NB at Clinton | Unavailable |
| 627 | IH-610 East Loop at Wallisville | Unavailable |
| 629 | IH-610 East Loop at Wayside | Unavailable |
| 750 | Westpark Tollway EB at Rice | Unavailable |
| 751 | Westpark Tollway WB at East Entrance | Unavailable |
| 752 | Westpark Tollway WB/EB at Hillcroft | Unavailable |
| 753 | Westpark Tollway WB at Tanglewilde | Unavailable |
| 754 | Westpark Tollway EB at Gessner | Unavailable |
| 755 | Westpark Tollway WB/EB at Boone | Unavailable |
| 756 | Westpark Tollway WB/EB at SH-6 | Unavailable |
| 700 | Hardy Toll Road SB/NB at IH-45 North | Unavailable |
| 701 | Hardy Toll Road SB/NB at Cypresswood | Unavailable |
| 702 | Hardy Toll Road SB/NB at FM 1960 | Unavailable |
| 703 | Hardy Toll Road SB/NB at Greens | Unavailable |
| 704 | Hardy Toll Road SB/NB at Aldine Bender | Unavailable |
| 705 | Hardy Toll Road SB/NB at Little York | Unavailable |
| 706 | Hardy Toll Road SB/NB at IH-610 | Unavailable |
| 800 | Beltway 8-North WB/EB at JFK | Unavailable |
| 801 | Beltway 8-North EB at Hardy Toll Road | Unavailable |
| 802 | Beltway 8-North WB at Imperial Valley | Unavailable |
| 803 | Beltway 8-North Mainlanes at Ella | Unavailable |
| 804 | Beltway 8-West SB/NB at IH-10 Katy | Unavailable |
| 805 | Beltway 8-West SB/NB at Memorial | Unavailable |
| 806 | Beltway 8-West SB/NB at Richmond | Unavailable |
| 807 | Beltway 8-West NB at Beechnut | Unavailable |
| 808 | Beltway 8-West SB at US-59 Southwest | Unavailable |
| 809 | Beltway 8-South Mainlanes at Fort Bend Parkway | Unavailable |
| 810 | Beltway 8-South Mainlanes at Southwest Toll Plaza | Unavailable |
| 811 | Beltway 8-South Mainlanes at Southeast Toll Plaza | Unavailable |
| 812 | Beltway 8-South Mainlanes at Beamer | Unavailable |
| 813 | Beltway 8-East Mainlanes at East Toll Plaza | Unavailable |
| 814 | Beltway 8-East SB at Red Bluff | Unavailable |
| 815 | Beltway 8-East NB at SH-225 | Unavailable |
| 816 | Beltway 8-East Mainlanes at Ship Channel Bridge | Unavailable |
| 827 | Beltway 8-North Mainlanes at SH-249 | Unavailable |
| 829 | Beltway 8-North Mainlanes at Fallbrook | Unavailable |
| 830 | Beltway 8-West Mainlanes at US-290 Northwest | Unavailable |
