Watch for Pedestrians - Bike-Hike Trail over the Dam and into the woods inside Barker Reservoir

WATCH FOR PEDESTRIANS ON THE BIKE TRAIL 

Hiking Trail Signs

Biker vs hiker: Who has the right of way? 

Harris County Commissoner's Sign urging park users to keep parks clean
(posted at Sports Park at Barker-Cypress corner of Barker Reservoir)

Nobel Road Trail - Signs at Trailhead

Slippery bridge (when wet) warning sign along Terry Hershey Trail

Terry Hershey Trail Etiquette Rules

Posted speed limit for bikers when passing hikers: 10 MPH

Gator warning in Memorial Park
near Bayou habitat observation deck

Nature Area advisory in George Bush Park at Buffalo Bayou
boardwalk and bridge

Hike and Bike Trail Signage

Watch for Pedestrian sign on road over the Barker Dam

Warning Sign on Terry Hershey Trail:
Cyclists Must Yield to Pedestrians

Pedestrian Crossing Signs on Barker-Clodine Road at Barker Dam
 / Katy Freeway East-bound feeder

 Bike Trail Warning Signs in Memorial Park

Alligator warning signs on Buffalo Bayou

Nature Area Warning Signs - Keep Pets Leashed and Don't Wade in the Water

Alligators are not much in evidence on Buffalo Bayou, but there are now signs
in Bush Park warning of them (also in the Arboretum, which is part of Memorial Park).
Wild pigs and deer are far more numerous in the reservoir.

Gator warning sign posted in Memorial Park Arboretum on the high
bank of  Buffalo Bayou near the observation deck

Alligators can be seen at Brazos Bend State Park.
(click link for prior post on alligator watching)

Alligator habitat - Keep Dogs on Trails (and leashed) - Warning sign
at Brazos Bend State Park (Jan 2013 landscape pic of lake with turtles and alligators)