Highways Transportation in Texas




i-10 , i-45 interchange in houston



state highway 45, first of several toll roads in central texas, under construction


texas freeways have on heavily traveled since 1948 beginnings several-mile stretch of houston s gulf freeway, , under construction meet demands of continuing growth. of 2005, there 79,535 miles of public highway in texas (up 71,000 in 1984). texas department of transportation (txdot) planners have sought ways reduce rush hour congestion, through high-occupancy vehicle (hov) lanes vans , carpools. texas t , innovation introduced in houston, ramp design allows vehicles in hov lane, center lane, exit directly transit centers or enter freeway directly hov lane without crossing multiple lanes of traffic. timed freeway entrances, regulate addition of cars freeway, common. houston , san antonio have extensive networks of freeway cameras linked transit control centers monitor , study traffic.


one characteristic of texas s freeways frontage roads (also known service roads, feeder roads, , access roads). texas state constructs frontage/access roads along highways in remote areas.[1] frontage roads provide access freeway businesses alongside, such gas stations , retail stores, , vice versa. alongside freeways along frontage roads 2 4 lanes in each direction parallel freeway permitting easy access individual city streets. txdot policy change limits frontage road construction new highways, existing frontage remain. new landscaping projects , longstanding ban on new billboards ways houston has tried control potential side effects of convenience.


another common characteristic found near texas overpasses texas u-turns lane allowing cars traveling on 1 side of one-way frontage road u-turn opposite frontage road (typically crossing on or under freeway or expressway) without being stopped traffic lights or crossing highway traffic at-grade.


most roads, such rural two-lane roads, rural divided expressways , interstates, , urban interstates posted @ 75 mph (121 km/h), rural freeways , interstates have 80 mph (129 km/h) speed limits, , 1 toll road, texas state highway 130, has 85 mph (137 km/h) speed limit, highest in united states.







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