Road Ecology Center | UC Davis

Mountain lion walks hills at night with city lights of Los Angeles shining below

City and Highway Lights Threaten Mountain Lion Habitats

by Kat Kerlin
November 06, 2023

coyote on a highway with glimpse of car in view

California Roadkill Data Shows Decline of Mule Deer, Coyote

by Emily C. Dooley
September 25, 2023

P-22 stares into remote camera on the trail in dark woods

Mountain Lion Mortality Maps Show Rough Road for Cougars

by Kat Kerlin
February 02, 2023

A small Pacific newt on gray asphalt approaches the white-painted line of a highway

Annual ‘Roadkill’ Report Identifies Hot Spots and Paths Forward

by Kat Kerlin
November 10, 2021

Mountain lion approaches highway

Roadkill Declines as COVID-19 Continues

by Kat Kerlin
June 25, 2020

One car drives across Brooklyn Bridge in New York during Spring 2020's shelter-in-place directives.

As Americans Shelter in Place, Traffic, Emissions and Fuel-Tax Revenues Decline Dramatically

by Kat Kerlin
May 01, 2020

Traffic in downtown Los Angeles

California COVID-19 Traffic Report Finds Silver Lining

by Kat Kerlin
April 16, 2020

deer crossing highway in the dark

California Roadkill Report Maps Costs, Hot Spots and Solutions

by Kat Kerlin
August 07, 2019

Map of California with colored dots indicating costs of highway incidents involving vehicles and wildlife

Wildlife vs. Vehicle Costs Top $225 Million Annually in California

by Pat Bailey
September 26, 2016

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