I have lived in Houston since September 2012, but it was only in March of 2013 that I took to the streets on my trusty steed, Cleopatra, in any serious way.
Having explored the length of Westheimer, last spring, in the middle of August I took on Memorial Dr., beginning by paying my respects to the Bush Monument at Franklin and Bagby.
Memorial Dr. begins at Bagby St. and the 45 frwy. and traffic enters it at prairie and leaves it onto Texas Ave.
The first 3 miles, in the Bagby/Prairie/Memorial area are almost freeway-like.
The ride starts off with Buffalo Bayou on your left and historic Washington and Glenwood cemeteries on your right, as well as the Houston Police Memorial.
At around 3.90 miles you enter historic Memorial Park, at Crestwood Dr..
Riding through the park area you will eventually pass under the West Loop Freeway (610).
At 5.30 miles Memorial become one way until it leaves the park at Post Oak and the 610 at 6 miles.
I enjoyed the beauty of nature in the middle of the big city and saw many walkers and joggers along the way.
As you make your way past expensive homes, in old and exclusive neighborhoods, your ride has you turn right at San Felipe St. to stay on Memorial, and make rights at Briar Forest Dr., and Sandalwood Dr., then lefts at Bunker Hill Rd. and Strey Ln. to do the same.
Memorial soon becomes mostly narrow and one lane either way.
At around 8.38 miles "Share the Road" ends in the city of Hunter's Creek Valley, a tiny community carved out of this section of Houston.
At around 9 1/2 miles, beyond Voss Rd., there is no sidewalk for a while and no indication about what a cyclist can do.
I DID soon find a wider than normal sidewalk that a man I encountered told me was actually a shared-use path for foot and bike traffic, beyond San Felipe.
There was no-one at the police sub-station, at a nearby racquetball club, that could have answered questions.
At 14 miles you cross Gessner and find there is sidewalk on the left and none on the right.
At 15 miles sidewalk returns as do the trappings of civilization.
At the 17 mile mark there is a bike friendly sign just before Kirkwood Rd.
Before reaching Kirkwood you pass under the Sam Houston Tollway (Highway 8) and pass the Edith Moore Nature Sanctuary and more residential areas, and some shopping strips.
At 19.81 miles there is another bike friendly sign at the Langham Creek Park portion of the Terry Hershey Bike Trail.
Finally, at 21 miles, Memorial ends at Highway 6.
For me this ride allowed for an exploration of a different side of Houston than the Westheimer trip and, despite the less than bike friendly sections, and stretches where there was no place for pit stops and the like, traffic was far less of a nuisance.
****UPDATE - 10/2/15****
Welcome to my world, members of the Reddit Houston Community, and thank you to member "Boojel" for plugging this series of posts in this discussion!