September 17, 2019
  • 2:34 pm Committee Leadership Comes into Focus for 116th Congress
  • 2:22 pm Interstate System Report Calls for More Funding, Tolling, VMT Fees, and Cybersecurity
  • 2:15 pm In Memoriam: President George H. W. Bush, ISTEA, and Transportation
  • 1:56 pm Growth Projected for Transportation Projects, but Costs a Challenge
  • 1:35 pm FAA Reshuffles Executives, Plans Drone Identification Rulemaking in Spring 2019
  • 1:28 pm Predictive Technology Helps Reduce Crashes on I-15 Corridor in Las Vegas
  • 1:14 pm Video Report: MoDOT Produces Multi-Lingual Safety Message
  • 1:11 pm PennDOT Nears Completion of Rapid Bridge Replacement Project
  • 1:08 pm Infrastructure Grants Awarded to “Smaller” South Dakota Communities
  • 12:31 pm Coalition Letter Continues to Urge Repeal of Rescission
  • 12:25 pm Tolling, Congestion Pricing Debated at House Hearing
  • 12:22 pm Letter Argues AV Safety Must be “Paramount Concern”
  • 12:15 pm EPA, Dept. of the Army Formally Repeal 2015 WOTUS Rule
  • 12:12 pm INRIX Study Highlights Potential of Micromobility

The California Department of Transportation issued two climate change “vulnerability assessment” reports on Dec. 17 to help the agency “understand” how and where climate change may impact the state’s highway system.

[Above photo by Caltrans.]

The two new reports – one focused on Northern California and the other on the Central Valley area – will evaluate climate change “risks” posed to highways in those regions of the Golden State,  including extreme temperatures, increased precipitation, storm surge, wildfires and sea level rise.

Photo by Caltrans

“Climate change is an immediate and escalating threat to California and its transportation system, and Caltrans is being proactive,” noted Laurie Berman, director of Caltrans, noted in a statement. “We are looking at where the state highway system is vulnerable, so we can address issues moving forward.”

She added that different “extreme weather events” also can “tie together” to generate multiple points of impact on the highway system, as a wildfire can scorch crucial vegetation on hillsides that would otherwise help soak-up storm runoff in the winter – leading to flooding and severe erosion of state roadways.

Photo by Caltrans

Caltrans added that its climate reports align with Executive Order B-30-15 issued by outgoing Gov. Edmund G. Brown Jr. (D), which mandated the integration of climate change analysis into transportation investment decisions through.

The agency noted that its first climate change assessment report, released Dec. 27, 2017, examined the impact of the severe storms that struck California – particularly the Bay Area – during the winter of 2016-2017. Those storms, which caused severe flooding, landslides, and coastal erosion, inflicted more than $1.2 billion in damages to California’s highways statewide, Caltrans noted, with damage to Bay Area roadways accounting for $390 million of those costs.

editor@aashto.org

RELATED ARTICLES
%d bloggers like this: