Here is a link to the Texas Family Code section 153 which covers visitation
http://www.statutes.legis.state.tx.us/Docs/FA/htm/FA.153.htm Visitation starts at section 153.3101
153.316 has the general terms and this is the part where it mentions picking up and dropping off the child. These rules apply to both orders of visitation....less than 100 miles and more than 100 miles away.
(1) the managing conservator shall surrender the child to the possessory conservator at the beginning of each period of the possessory conservator's possession at the residence of the managing conservator;
(2) if the possessory conservator elects to begin a period of possession at the time the child's school is regularly dismissed, the managing conservator shall surrender the child to the possessory conservator at the beginning of each period of possession at the school in which the child is enrolled;
(3) the possessory conservator shall be ordered to do one of the following:
(A) the possessory conservator shall surrender the child to the managing conservator at the end of each period of possession at the residence of the possessory conservator; or
(B) the possessory conservator shall return the child to the residence of the managing conservator at the end of each period of possession, except that the order shall provide that the possessory conservator shall surrender the child to the managing conservator at the end of each period of possession at the residence of the possessory conservator