Road Information

Interstate 45 in Texas    
Total Mileage in State: 285 miles
Northern End: At US 75/Unsigned I-345, in Dallas
Southern End: At TX 87, in Galveston
Mileage covered in Photos: 285 miles
Counties covered in Photos: Dallas, Ellis, Navarro, Freestone, Leon, Madison, Walker, Montgomery, Harris, Galveston
Major Junctions in Photos: I-30, in Dallas
I-20, in Dallas
I-610, in Houston
I-10, in Houston
I-69/US 59, in Houston
I-610, in Houston
Control Cities in Photos: Dallas, Corsicana, Madisonville, Huntsville, Conroe, Houston, Texas City, Galveston

Southbound

Sections:
  • Section 1: Dallas to Corsicana (Exit 231)
  • Section 2: Corsicana (Exit 231) to Conroe (Exit 90)
  • Section 3: Conroe (Exit 90) to Houston (Exit 48A)
  • Section 4: Houston (Exit 48A) to Webster (Exit 24)
  • Section 5: Webster (Exit 24) to Galveston

Section 1: Dallas to Corsicana (Exit 231)

   

Interstate 45 South at Exit 284A: Interstate 30. This marks the beginning of Interstate 45 South in downtown Dallas. (Photo taken 5/20/18).

Gore point signage for Exit 284A in Dallas. Interstate 45 South begins at the southern terminus of US 75 and Unsigned Interstate 345, just to the north of Exit 284A. (Photo taken 5/20/18).

The speed limit on Interstate 45 South starts out at 65 mph. (Photo taken 5/20/18).

View on Interstate 45 South, as it begins to leave downtown Dallas. (Photo taken 5/20/18).

Interstate 45 South at Exit 283B: To US 175 - Kaufman / Martin Luther King Jr. Blvd (Photo taken 5/20/18).

Interstate 45 South at Exit 283A: Lamar St (Photo taken 5/20/18).

Interstate 45 South reassurance shield. (Photo taken 5/20/18).

Interstate 45 South at Exit 281: Overton Rd (Photo taken 5/20/18).

Interstate 45 South at Exit 280: Linfield St / Illinois Ave (Photo taken 5/20/18).

Interstate 45 South at Exit 279: TX Loop 12 (Photo taken 5/20/18).

State-named Interstate 45 South reassurance shield. (Photo taken 5/20/18).

Take Exit 277 to Paul Quinn College. (Photo taken 5/20/18).

Interstate 45 South at Exit 277: Simpson Stuart Rd (Photo taken 5/20/18).

Interstate 45 South approaching Exit 276A - 1/2 mile. (Photo taken 5/20/18).

Interstate 45 South at Exit 276A: Interstate 20 East - Shreveport (Photo taken 5/20/18).

Interstate 45 South at Exit 276B: Interstate 20 West - Fort Worth (Photo taken 5/20/18).

View on Interstate 45 South as it prepares to pass under Interstate 20 and the ramps to and from it. (Photo taken 5/20/18).

South of Interstate 20, the speed limit increases to 70 mph. (Photo taken 5/20/18).

Mileage sign on Interstate 45 South. It's 22 miles to Ennis and 41 miles to Corsicana. (Photo taken 5/20/18).

Interstate 45 South at Exit 274: Dowdy Ferry Rd / Palestine St (Photo taken 5/20/18).

Interstate 45 South at Exit 273: Wintergreen Rd (Photo taken 5/20/18).

A Weigh Station/Check Station exists off Exit 272 ahead. When the lights on this sign are flashing, it is open and all trucks must take Exit 272. (Photo taken 5/21/18).

Interstate 45 South at Exit 272: Fulghum Rd / Weigh Station (Photo taken 5/21/18).

Interstate 45 South at Exit 271: Pleasant Run Rd (Photo taken 5/21/18).

Take Exit 270 to Wilmer. (Photo taken 5/21/18).

Interstate 45 South at Exit 270: Belt Line Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 269: Mars Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 268: Interstate 45 Business Loop - Malloy Bridge Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 267: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South as it enters Ellis County. (Photo taken 5/21/18).

Take Exit 266 to Ferris. (Photo taken 5/21/18).

Interstate 45 South at Exit 266: FM 660 - 5th St (Photo taken 5/21/18).

Interstate 45 South at Exit 264: Frontage Rd (Photo taken 5/21/18).

Approaching Exit 263A, the speed limit increases to 75 mph which is the standard speed limit on most rural Interstate highways in Texas. (Photo taken 5/21/18).

Interstate 45 South at Exit 263A: TX Loop 561 - Trumbull (Photo taken 5/21/18).

Another state-named Interstate 45 South reassurance shield. (Photo taken 5/21/18).

Interstate 45 South at Exit 262: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 260: Interstate 45 Business Loop - Palmer (Photo taken 5/21/18).

Interstate 45 South at Exit 259: FM 813 - Jefferson St (Photo taken 5/21/18).

Interstate 45 South at Exit 258: Parker Hill Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 255: FM 879 - Garrett (Photo taken 5/21/18).

Take any of the next 4 exits to Ennis. (Photo taken 5/21/18).

Interstate 45 South at Exit 253: Interstate 45 Business Loop - Ennis (Photo taken 5/21/18).

Take Exit 251B to Ennis Texas Motorplex. (Photo taken 5/21/18).

Interstate 45 South at Exit 251B: TX 34 - Kaufman / Italy (Photo taken 5/21/18).

Take Exit 251A to Lake Bardwell. (Photo taken 5/21/18).

Interstate 45 South at Exit 251A: FM 1181 - Creechville Rd (Photo taken 5/21/18).

Mileage sign on Interstate 45 South. It's 19 miles to Corsicana and 204 miles to Houston. (Photo taken 5/21/18).

Interstate 45 South at Exit 249: FM 85 (Photo taken 5/21/18).

Interstate 45 South at Exit 247: US 287 North - Waxahachie / Fort Worth (Photo taken 5/21/18).

Interstate 45 South at Exit 246: FM 1183 - Alma (Photo taken 5/21/18).

Interstate 45 South at Exit 244: FM 1182 (Photo taken 5/21/18).

Entering Navarro County on Interstate 45 South. (Photo taken 5/21/18).

Interstate 45 South at Exit 243: Frontage Rd (Photo taken 5/21/18).

Take Exit 242 to Rice. (Photo taken 5/21/18).

Interstate 45 South at Exit 243: Calhoun St (Photo taken 5/21/18).

Interstate 45 South at Exit 239: FM 1126 (Photo taken 5/21/18).

Interstate 45 South at Exit 238: FM 1603 (Photo taken 5/21/18).

Interstate 45 South at Exit 237: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 235A: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 235B: Interstate 45 Business Loop - Corsicana (Photo taken 5/21/18).

Interstate 45 South at Exit 232: FM 3041 - Roane Rd / E 5th St (Photo taken 5/21/18).

Take Exit 231 to Navarro College. (Photo taken 5/21/18).

Interstate 45 South at Exit 231: TX 31 - Waco / Athens (Photo taken 5/21/18).

Section 2: Corsicana (Exit 231) to Conroe (Exit 90)

   

Take Exit 229 to Richland Chambers Reservoir. (Photo taken 5/21/18).

Interstate 45 South at Exit 229: US 287 South - Palestine (Photo taken 5/21/18).

Interstate 45 South at Exit 228B: Interstate 45 Business Loop - Corsicana (Photo taken 5/21/18).

Interstate 45 South at Exit 225: FM 739 - Angus / Mustang (Photo taken 5/21/18).

Interstate 45 South at mile marker 223. (Photo taken 5/21/18).

Interstate 45 South at Exit 221: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 220: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 219B: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 219A: TX 14 - Richland / Mexia (Photo taken 5/21/18).

Rest Area on Interstate 45 South in Navarro County. (Photo taken 5/21/18).

Interstate 45 South at mile marker 217. (Photo taken 5/21/18).

Interstate 45 South at Exit 213: TX 75 / FM 246 - Wortham / Streetman (Photo taken 5/21/18).

Interstate 45 South as it enters Freestone County. (Photo taken 5/21/18).

Interstate 45 South at Exit 211: FM 80 - Streetman / Kirvin (Photo taken 5/21/18).

The speed limit remains 75 mph. (Photo taken 5/21/18).

Interstate 45 South at mile marker 208. (Photo taken 5/21/18).

Interstate 45 South at Exit 206: FM 833 (Photo taken 5/21/18).

View on Interstate 45 South at mile marker 205. (Photo taken 5/21/18).

Interstate 45 South at mile marker 202. (Photo taken 5/21/18).

Interstate 45 South at Exit 198: FM 27 - Fairfield / Wortham (Photo taken 5/21/18).

Interstate 45 South at Exit 197: US 84 - Fairfield / Teague (Photo taken 5/21/18).

Interstate 45 South at mile marker 194. (Photo taken 5/21/18).

Interstate 45 South at Exit 189: TX 179 - Teague (Photo taken 5/21/18).

View on Interstate 45 South at mile marker 183. (Photo taken 5/21/18).

Interstate 45 South as it enters Leon County. (Photo taken 5/21/18).

Interstate 45 South at Exit 180: TX 164 - Groesbeck (Photo taken 5/21/18).

Interstate 45 South at Exit 179: US 79 - Buffalo / Jewett (Photo taken 5/21/18).

Interstate 45 South at mile marker 174. (Photo taken 5/21/18).

Interstate 45 South at mile marker 168. (Photo taken 5/21/18).

Weigh Station on Interstate 45 South in Leon County. (Photo taken 5/21/18).

Take Exit 164 to Fort Boggy State Park. (Photo taken 5/21/18).

Interstate 45 South at Exit 164: TX 7 - Centerville (Photo taken 5/21/18).

Mileage sign on Interstate 45 South. It's 23 miles to Madisonville and 117 miles to Houston. (Photo taken 5/21/18).

Picnic Area on Interstate 45 South in Leon County. (Photo taken 5/21/18).

Interstate 45 South at mile marker 159. (Photo taken 5/21/18).

Interstate 45 South at Exit 156: FM 977 - Leona (Photo taken 5/21/18).

Interstate 45 South at Exit 152: TX OSR - Normangee (Photo taken 5/21/18).

Entering Madison County on Interstate 45 South. (Photo taken 5/21/18).

Take either of the next 2 exits to Madisonville. (Photo taken 5/21/18).

Interstate 45 South at Exit 146: TX 75 - Madisonville (Photo taken 5/21/18).

Interstate 45 South reassurance shield. (Photo taken 5/21/18).

Interstate 45 South at mile marker 144. (Photo taken 5/21/18).

Interstate 45 South approaching Exit 142 - 1 mile. (Photo taken 5/21/18).

Interstate 45 South at Exit 142: US 190 West / TX 21 - Bryan / Crockett (Photo taken 5/21/18).

Interstate 45 South at Exit 136: TX Spur 67 (Photo taken 5/21/18).

Interstate 45 South as it enters Walker County. (Photo taken 5/21/18).

Interstate 45 South at Exit 132: FM 2989 (Photo taken 5/21/18).

Interstate 45 South at mile marker 128. (Photo taken 5/21/18).

Rest Area on Interstate 45 South in Walker County. (Photo taken 5/21/18).

Interstate 45 South at Exit 123: FM 1696 (Photo taken 5/21/18).

The speed limit remains 75 mph on Interstate 45 South. (Photo taken 5/21/18).

Take any of the next 5 exits to Huntsville. (Photo taken 5/21/18).

Take Exit 118 to the Texas Prison Museum and H.E.A.R.T.S. Veterans Museum of Texas. (Photo taken 5/21/18).

All thru trucks to TX 19 North and US 190 East must use Exit 118. (Photo taken 5/21/18).

Interstate 45 South at Exit 118: TX 75 / FM 1791 (Photo taken 5/21/18).

Take Exit 116 to Lake Livingston and Trinity. (Photo taken 5/21/18).

Interstate 45 South at Exit 116: TX 30 / US 190 East - 11th St (Photo taken 5/21/18).

Take Exit 115 to Smither Dr. (Photo taken 5/21/18).

Also take Exit 115 to Sam Houston State University. (Photo taken 5/21/18).

Interstate 45 South at Exit 115: FM 1374 - Ave S / Montgomery Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 113: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 112: TX 75 / To TX 19 - Veterans Memorial Pkwy (Photo taken 5/21/18).

Interstate 45 South at Exit 109: TX PR 40 - Huntsville State Park (Photo taken 5/21/18).

Interstate 45 South at mile marker 107. (Photo taken 5/21/18).

Interstate 45 South at Exit 102: TX 150 / FM 1374 / FM 1375 - New Waverly (Photo taken 5/21/18).

Interstate 45 South at Exit 98: Old Danville Rd / Shepard Hill Rd (Photo taken 5/21/18).

Interstate 45 South as it enters Montgomery County. (Photo taken 5/21/18).

Interstate 45 South at Exit 97: Calvary Rd (Photo taken 5/21/18).

Mileage sign on Interstate 45 South. It's 12 miles to Conroe and 51 miles to Houston. (Photo taken 5/21/18).

Interstate 45 South at Exit 95: Longstreet Rd (Photo taken 5/21/18).

Take Exit 94 to Bentwater Dr West. (Photo taken 5/21/18).

Interstate 45 South at Exit 94: FM 1097 - Willis (Photo taken 5/21/18).

South of Exit 94 and nearing the Conroe area, the speed limit on Interstate 45 South decreases to 65 mph. (Photo taken 5/21/18).

Take either of the next 2 exits to Panorama Village. (Photo taken 5/21/18).

Interstate 45 South at Exit 92: FM 830 - Seven Coves Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 90: League Line Rd (Photo taken 5/21/18).

Section 3: Conroe (Exit 90) to Houston (Exit 48A)

   

Take Exit 89 to Lone Star Expo Convention Center. (Photo taken 5/21/18).

Take any of the next 6 exits to Conroe. (Photo taken 5/21/18).

Eastbound and Westbound trucks should use FM 3083, via Exit 89 ahead. (Photo taken 5/21/18).

Interstate 45 South at Exit 89: FM 3083 - Teas Nursery Rd (Photo taken 5/21/18).

Take Exit 88 to Wilson Rd. (Photo taken 5/21/18).

Interstate 45 South at Exit 88: TX Loop 336 - Cleveland / Navasota (Photo taken 5/21/18).

The speed limit remains 65 mph as Interstate 45 South maintains 4 lanes through the Conroe area. (Photo taken 5/21/18).

Take Exit 87 to Lake Conroe Parkway. (Photo taken 5/21/18).

Interstate 45 South at Exit 87: TX 105 / FM 2854 - Conroe (Photo taken 5/21/18).

Interstate 45 South at Exit 85: Gladstell St (Photo taken 5/21/18).

Interstate 45 South at Exit 84: TX Loop 336 / TX 75 North - Frazier St (Photo taken 5/21/18).

Interstate 45 South at mile marker 85. (Photo taken 5/21/18).

Interstate 45 South at Exit 83: Crighton Rd / River Plantation Dr (Photo taken 5/21/18).

HOV lane entrance on the left, just south of Exit 83. The HOV lane will continue southbound into the Houston metro area. (Photo taken 5/21/18).

Interstate 45 South at Exit 81: FM 1488 - Magnolia / Hempstead (Photo taken 5/21/18).

Mileage sign on Interstate 45 South. It's 36 miles to Houston and 88 miles to Galveston. (Photo taken 5/21/18).

Take Exit 79 to LSC-Montgomery, Sam Houston State University, and Woodloch. (Photo taken 5/21/18).

Take any of the next 4 exits to The Woodlands. (Photo taken 5/21/18).

Interstate 45 South at Exit 79: TX 242 - Needham Rd / College Park Dr (Photo taken 5/21/18).

Take Exit 77 to Shenandoah, Woodforest Stadium, and CISD Natatorium. (Photo taken 5/21/18).

Take either of the next 2 exits to Mitchell Pavilion. Take Exit 76 to The Woodlands Waterway. (Photo taken 5/21/18).

Interstate 45 South at Exit 77: Tamina Rd / Research Forest Dr (Photo taken 5/21/18).

Again, take Exit 76 to The Woodlands Waterway. (Photo taken 5/21/18).

Also take Exit 76 to Lake Woodlands Dr, Oak Ridge North, and Chateau Woods. (Photo taken 5/21/18).

Interstate 45 South at Exit 76: Robinson Rd / Woodlands Pkwy (Photo taken 5/21/18).

HOV lane traffic exiting at Exit 73 (Rayford Rd / Sawdust Rd) will need to exit the HOV lane here, as the signage shows. However, you will then have to make 3 consecutive lane changes to the right to make Exit 73. (Photo taken 5/21/18).

Another HOV lane entrance on the left on Interstate 45 South. (Photo taken 5/21/18).

Interstate 45 South at Exit 73: Rayford Rd / Sawdust Rd (Photo taken 5/21/18).

HOV lane traffic looking to take Exits 72A-B will need to exit the HOV lane here and start wrestling their way 3 lanes to the right. (Photo taken 5/21/18).

Take Exit 72A to Springwoods Village Pkwy and Spring-Stuebner Rd East. (Photo taken 5/21/18).

Interstate 45 South at Exit 72A: To TX 99 Toll East - Grand Parkway (Photo taken 5/21/18).

Interstate 45 South at Exit 72B: Hardy Toll Road South (Photo taken 5/21/18).

Interstate 45 South at Exit 71A: TX 99 Toll West - Grand Parkway (Photo taken 5/21/18).

Interstate 45 South at mile marker 72, shortly after it enters Harris County and the Houston metro area. (Photo taken 5/21/18).

Take Exit 70A to Spring Cypress Rd and Spring-Stuebner Rd West. (Photo taken 5/21/18).

Interstate 45 South at Exit 70A: FM 2920 - Tomball (Photo taken 5/21/18).

Interstate 45 South at Exit 68: Louetta Rd / Cypresswood Dr / Holzwarth Rd (Photo taken 5/21/18).

HOV lane exit for Exit 66 ahead. (Photo taken 5/21/18).

The HOV lane exit opportunity is accompanied by yet another HOV lane entrance ramp. (Photo taken 5/21/18).

Take Exit 66 to Hollow Tree St and Parramatta Ln. (Photo taken 5/21/18).

Interstate 45 South at Exit 66: FM 1960 - Addicks / Humble (Photo taken 5/21/18).

The HOV lane of Interstate 45 South becomes a tolled express lane ahead. This sign states that towed trailers and trucks over 1 (!) ton are prohibited from the express lane. (Photo taken 5/21/18).

This sign lists the current (variable) toll rates for the express lane of Interstate 45 South. (Photo taken 5/21/18).

View on Interstate 45 South at mile marker 66. (Photo taken 5/21/18).

Interstate 45 South at Exit 64: Richey Rd (Photo taken 5/21/18).

The speed limit remains 65 mph. (Photo taken 5/21/18).

Interstate 45 South at Exit 63: Airtex Dr (Photo taken 5/21/18).

Interstate 45 South at Exit 62: Rankin Rd / Kuykendahl Rd (Photo taken 5/21/18).

Approaching Exit 61 and the Houston city limits, the speed limit decreases to 60 mph. Trucks are prohibited in the leftmost lane. (Photo taken 5/21/18).

Interstate 45 South at Exit 61: Greens Rd (Photo taken 5/21/18).

Interstate 45 South as it enters the Houston city limits. (Photo taken 5/21/18).

Interstate 45 South at Exit 60B: TX Beltway 8 East / Sam Houston Tollway West - Bush Intercontinental Airport (Photo taken 5/21/18).

Interstate 45 South at Exit 60A: TX Beltway 8 / FM 525 - FRTG Rd / Aldine Bender Rd / Fallbrook Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 59: West Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 57B: TX 249 - W Mt Houston Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 57B: Gulf Bank Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 56B: Veterans Memorial Dr / Little York Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 56A: TX Spur 261 - Shepherd Dr (Photo taken 5/21/18).

Interstate 45 South at Exit 55A: Parker Rd / Yale St (Photo taken 5/21/18).

Interstate 45 South at Exit 54: Tidwell Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 53: Airline Dr (Photo taken 5/21/18).

Interstate 45 South at Exit 52B: Crosstimbers Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 52A: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South approaching Exit 51 - 1/4 mile. (Photo taken 5/21/18).

Interstate 45 South at Exit 51: Interstate 610 (Photo taken 5/21/18).

Interstate 45 South at Exit 50: Cavalcade St / Patton St (Photo taken 5/21/18).

Interstate 45 South approaching Exit 48B - 1 1/4 miles. Eastbound and Westbound trucks with Hazmat must use Interstate 10. (Photo taken 5/21/18).

Interstate 45 South at Exit 49B: N Main St / Houston Ave (Photo taken 5/21/18).

Interstate 45 South at Exit 49A: Quitman St (Photo taken 5/21/18).

Interstate 45 South at Exit 48B: Interstate 10 West - San Antonio (Photo taken 5/21/18).

Take Exit 48A (Interstate 10 East) to Downtown Destinations and Milam St. (Photo taken 5/21/18).

Interstate 45 South at Exit 48A: Interstate 10 East - Beaumont (Photo taken 5/21/18).

Section 4: Houston (Exit 48A) to Webster (Exit 24)

   

View on Interstate 45 South in a rain-soaked downtown Houston. (Photo taken 5/21/18).

Interstate 45 South at Exit 47D: Dallas St / Pierce St (Photo taken 5/21/18).

Interstate 45 South at Exit 47C: McKinney St (Photo taken 5/21/18).

Interstate 45 South at Exit 47A: Allen Parkway (Photo taken 5/21/18).

Interstate 45 South approaching the junction of Interstate 69 at Exits 46B-A - 1 mile. (Photo taken 5/21/18).

Interstate 45 South at mile marker 47 in downtown Houston. (Photo taken 5/21/18).

Interstate 45 South at Exit 46B: Interstate 69 South / US 59 South / TX 288 South - Victoria / Lake Jackson / Freeport; Exit 46A: Interstate 69 North / US 59 North - Cleveland (Photo taken 5/21/18).

Take Exit 45A to Texas Southern University. (Photo taken 5/21/18).

State-named Interstate 45 South reassurance shield in Houston. (Photo taken 5/21/18).

Interstate 45 South at Exit 45A: Scott St (Photo taken 5/21/18).

Take either of the next 2 exits to the University of Houston. (Photo taken 5/21/18).

Interstate 45 South at Exit 44C: Cullen Blvd / Lockwood-Elgin (Photo taken 5/21/18).

Interstate 45 South at Exit 44B: TX Spur 5 South (Photo taken 5/21/18).

Interstate 45 South at Exit 43A: Telephone Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 42: US 90 Alternate - S Wayside Dr (Photo taken 5/21/18).

Interstate 45 South approaching Exit 40B - 1 mile. (Photo taken 5/21/18).

Interstate 45 South at Exit 41B: Griggs Rd / Broad St (Photo taken 5/21/18).

Interstate 45 South at Exit 41A: Woodridge Dr (Photo taken 5/21/18).

Take Exit 40B to the San Jacinto Monument / Battleship TEXAS. (Photo taken 5/21/18).

Interstate 45 South at Exit 40B: Interstate 610 / TX 35 South / To TX 225 - Pearland / Alvin / Pasadena (Photo taken 5/21/18).

View on Interstate 45 South as it prepares to pass under Interstate 610 and the ramps to and from it. (Photo taken 5/21/18).

Take any of the next 4 exits to William P. Hobby Airport. (Photo taken 5/21/18).

Interstate 45 South at Exit 39: Park Place Blvd / Broadway Blvd (Photo taken 5/21/18).

Interstate 45 South at Exit 38B: Howard Dr / Bellfort Ave (Photo taken 5/21/18).

Interstate 45 South at Exit 38: TX 3 - Monroe Rd (Photo taken 5/21/18).

Take Exit 36 to the City of South Houston. (Photo taken 5/21/18).

Interstate 45 South at Exit 36: College Ave / Airport Blvd (Photo taken 5/21/18).

Interstate 45 South at Exit 35: Edgebrook Dr / Clearwood Dr (Photo taken 5/21/18).

Interstate 45 South at Exit 34: South Shaver Rd / Almeda-Genoa Rd (Photo taken 5/21/18).

The speed limit remains 60 mph on Interstate 45 South. (Photo taken 5/21/18).

Interstate 45 South at mile marker 35. (Photo taken 5/21/18).

Interstate 45 South at Exit 33: TX Beltway 8 - Fuqua St (Photo taken 5/21/18).

Interstate 45 South at Exit 32: Sam Houston Tollway (Photo taken 5/21/18).

View on Interstate 45 South as it prepares to pass under the Sam Houston Tollway as well as the ramps to and from it. (Photo taken 5/21/18).

Interstate 45 South at Exit 31: FM 2553 - Scarsdale Blvd (Photo taken 5/21/18).

Approaching Exit 30, the speed limit increases to 65 mph. (Photo taken 5/21/18).

Interstate 45 South at Exit 30: FM 1959 - Ellington Airport / Dixie Farm Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 29: FM 2351 - Friendswood / Clear Lake City Blvd (Photo taken 5/21/18).

Another Interstate 45 South reassurance shield. (Photo taken 5/21/18).

Interstate 45 South at Exit 28: El Dorado Blvd (Photo taken 5/21/18).

Take Exit 26 to Baybrook Mall. (Photo taken 5/21/18).

Take either of the next 2 exits to Webster. Take any of the next 3 exits to Space Center Houston. (Photo taken 5/21/18).

Interstate 45 South at Exit 26: Bay Area Blvd (Photo taken 5/21/18).

Take Exit 25 to Alvin. (Photo taken 5/21/18).

Mileage sign on Interstate 45 South. It's 15 miles to both Texas City and La Marque while it's 30 miles to Galveston. (Photo taken 5/21/18).

Interstate 45 South at Exit 25: FM 528 - NASA Pkwy (Photo taken 5/21/18).

Interstate 45 South at Exit 24: NASA 1 - NASA (Photo taken 5/21/18).

Section 5: Webster (Exit 24) to Galveston

   

Interstate 45 South at Exit 23: FM 518 - League City (Photo taken 5/21/18).

At mile marker 24, Interstate 45 South enters Galveston County. (Photo taken 5/21/18).

Interstate 45 South at Exit 22: TX 96 - League City Pkwy (Photo taken 5/21/18).

Interstate 45 South at Exit 20: FM 646 - Santa Fe (Photo taken 5/21/18).

Take Exit 19 to San Leon and Hughes Rd. (Photo taken 5/21/18).

Interstate 45 South at Exit 19: FM 517 - Dickinson (Photo taken 5/21/18).

Interstate 45 South at Exit 17: Holland Rd (Photo taken 5/21/18).

Trucks hauling Hazmat must remain on Interstate 45 South or use FM 1764 via Exit 16 ahead. (Photo taken 5/21/18).

Take Exit 16 to Texas City Dike Convention Center & Museum. (Photo taken 5/21/18).

Also take Exit 16 to Emmett F. Lowry Expressway. (Photo taken 5/21/18).

Interstate 45 South at Exit 16: FM 1764 East - Texas City (Photo taken 5/21/18).

Take Exit 15 to Mall of the Mainland Pkwy. (Photo taken 5/21/18).

Also take Exit 15 to the Dog Track. (Photo taken 5/21/18).

Interstate 45 South at Exit 15: FM 1764 West / FM 2004 - Hitchcock (Photo taken 5/21/18).

Interstate 45 South at Exit 13: Century Blvd / Delany Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 12: FM 1765 - La Marque (Photo taken 5/21/18).

Interstate 45 South at mile marker 13. (Photo taken 5/21/18).

Interstate 45 South at Exit 11: Vauthier Rd (Photo taken 5/21/18).

Trucks with hazardous materials must follow Interstate 45 or TX 146, via Exit 7. (Photo taken 5/21/18).

Interstate 45 South at Exit 10: FM 519 - Main St (Photo taken 5/21/18).

Interstate 45 South at Exit 9: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at mile marker 9. (Photo taken 5/21/18).

Interstate 45 South at Exit 7: TX 146 / TX 6 - Texas City (Photo taken 5/21/18).

Interstate 45 South at Exit 6: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South at Exit 5: Frontage Rd (Photo taken 5/21/18).

Interstate 45 South as it prepares to cross the George and Cynthia Mitchell Memorial Causeway, just north of the Galveston city limits. (Photo taken 5/21/18).

Interstate 45 South at mile marker 5, starting across the causeway. (Photo taken 5/21/18).

Interstate 45 South at Exit 4: Village of Tiki Island (Photo taken 5/21/18).

Interstate 45 South as it enters the Galveston city limits and begins to cross Galveston Bay. (Photo taken 5/21/18).

Crossing Galveston Bay, the speed limit decreases to 60 mph. (Photo taken 5/21/18).

View on Interstate 45 South, crossing Galveston Bay. (Photo taken 5/21/18).

Another view crossing Galveston Bay on Interstate 45 South. (Photo taken 5/21/18).

Interstate 45 South as the south side of the bay comes into view. (Photo taken 5/21/18).

View on Interstate 45 South, back on solid ground after crossing Galveston Bay. (Photo taken 5/21/18).

Interstate 45 South at Exit 1C: TX 275 / FM 188 - Harborside Dr / Teichman Rd (Photo taken 5/21/18).

Interstate 45 South at mile marker 2. (Photo taken 5/21/18).

Interstate 45 South at Exit 1B: 71st St (Photo taken 5/21/18).

Take Exit 1A to Galveston Island State Park. (Photo taken 5/21/18).

Take Exit 1A to the five destinations listed on this sign. (Photo taken 5/21/18).

Interstate 45 South at mile marker 1. (Photo taken 5/21/18).

Approaching Exit 1A, the speed limit decreases to 50 mph as Interstate 45 prepares to reach its southern terminus in Galveston. (Photo taken 5/21/18).

Interstate 45 South at Exit 1A: TX Spur 342 - 61st St / West Beach (Photo taken 5/21/18).

Interstate 45 South ends 1000 feet ahead, as these warning signs say. (Photo taken 5/21/18).

View on Interstate 45 South at its southern terminus in Galveston. Stay straight to go onto TX 87. (Photo taken 5/21/18).

At the southern terminus of Interstate 45, the first traffic signal for TX 87 is at 59th St. (Photo taken 5/21/18).