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SH 99 Grand Parkway toll information. To drive on these portions of the road, you must have a prepaid toll account and one of these electronic toll tags: If you have a toll billing issue, contact the specific tolling entity to resolve the issue.
The cost of tolls on the SH 99 Grand Parkway System depends on the type of vehicle you drive and where you get on and off the toll road. Rates Effective Jan. 1, 2024. A PDF version of the rate chart is available here.
TxTag toll rates shown here correspond to Electronic Toll Collection (ETC) toll rates. Additional fees apply for Pay By Mail (PBM) transactions.
With a TxTag on your windshield, you can travel on toll roads throughout Texas, Colorado, Oklahoma, and Kansas. Toll charges will be automatically deducted from your TxTag account. Click a city on the map or a link below for information about area toll roads.
Learn about HCTRA, the agency that operates and maintains toll roads in Harris County, and manage your EZ TAG account online.
Speed limits on the Grand Parkway are 65 to 75 mph (105 to 121 km/h). Tolls may be paid using one of the Texas toll tag transponders (TxTag, EZ TAG, and TollTag), the Kansas Turnpike Authority 's K-TAG, or the Oklahoma Turnpike Authority 's Pikepass. No cash payments are accepted.
HARRIS COUNTY TOLL RATE SCHEDULE SAM HOUSTON TOLLWAY Starting north and traveling counter-clockwise Location Type 2 Axles Cash / Non-Tag 2 Axles EZ TAG 3 Axles 4 Axles 5 Axles 6 Axles Sam Houston North Plaza pass through $1.75 $1.50 $3.50 $5.25 $7.00 $8.75 SH 249 Direct Connector to Sam Houston Tollway - EZ TAG Only
